RMLH2452-164

Barrel Self-Locking Nut

This page provides complete and verified information for part number RMLH2452-164, NSN 5310-01-059-7372

You’ll find detailed technical specifications, product attributes, condition classification, and real-time stock availability. All data is based on official records and meets industry standards for defense, aerospace, and industrial sourcing. Whether you’re performing a parts audit, validating compliance, or preparing a purchase order, this part listing supports accurate and efficient procurement.

RMLH2452-164
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-01-059-7372
Item Name Code
15891
Assigment Date
04/15/1978 (48 years ago)

A washer which is round with a centrally located hole. One bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is recessed to form a curved or spherical contour. See also washer (1), convex. Excludes:washer (1), recessed and bearing, washer, thrust.

1.063 inches nominal nut counterbore diameter, right-hand thread direction, 3b thread class, dry film lubricant lubrication, prevailing torque all metal design locking feature

Characteristics

Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.

Thread Class
3b
Thread Direction
right-hand
Locking Feature
prevailing torque all metal design
Counterbore Diameter
1.063 inches nominal nut
Lubrication
dry film lubricant
Nut Style
floating self-locking barrel
Nut Diameter
1.551 inches minimum and 1.554 inches maximum
Nut Length
1.750 inches nominal
Nut Height
1.184 inches minimum and 1.194 inches maximum
Nut Counterbore Depth
0.220 inches nominal nut
Thread Series
uns
Thread Quantity Per Inch
14
Nominal Thread Size
1.000 inches
Material
steel overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
qq-p-416 type 2 class 3 fed spec single treatment response overall

Classification Data

Detailed NSN information including identification codes, classification data, and key indicators used for cataloging, logistics, and supply management.

Type of Item Identification
M - Partial descriptive - reference item identification (type 1a concept)
Demilitarization
A - Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Criticality
X - The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Federal Item Identification Guide
A021A0
Precious Metals Indicator
U - Precious metal content is unknown
Pseudo Item Name Code
0015891
Hazardous Material Indicator
N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Schedule B Code
7318160000

Freight Information

Comprehensive freight classifications, shipping codes, and handling specifications for domestic and international transport compliance.

Major Organizational Entity
KZ
National Motor Freight Classification Item Number
093486
National Motor Freight Classification Sub-Item Number
Z
Uniform Freight Classification Item Number
48950
National Motor Freight Class Rating
W - Rating variable
Water Commodity
573 - Bolts or nuts (iron or steel),(less than 35 feet)
Type of Cargo
Z - No special type of cargo code applicable
Special Hand
9 - Other or no special handling required (sh)
Air Dimension
A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
Air Commodity
BZ -
National Motor Freight Description
bolts,nuts or screws, noi (sub 3)

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for RMLH2452-164

What is the FSCG of the NSN 5310-01-059-7372?
The FSCG of the NSN 5310-01-059-7372 is 5310
Does the NSN 5310-01-059-7372 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-01-059-7372 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5310-01-059-7372 contain precious materials?
Precious metal content is unknown
Does NSN 5310-01-059-7372 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5310-01-059-7372 was assigned to the Federal Catalog?
It was assigned 48 years ago, on Sat, Apr 15, 1978

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