Self-Locking Hexagon Nut P/N MS51922-17

Specifications

Material document and classification

Nut Assn STD Single Material Response SAE J995, GR 5

Width across flats

0.551–0.564 in

Thread class

2B

Thread direction

Right-Hand

Locking feature

Prevailing Torque with Nonmetallic Insert

Bearing surface type

Chamfered or Washer Faced

Bearing surface finish

Microinches 125.0

Material

Locking Insert Plastic Polyamide Nylon

Temp rating

Fahrenheit Nominal 250.0

Surface treatment

Overall Except Insert Cadmium and Chromate

Surface treatment document and classification

Overall Except Insert Fed Spec Single Treatment Response QQ--416,TY 2,CL 3

Material

Nut Steel

Thread series

Unified National Coarse (UNC)

Lubrication

Dry Film Lubricant

Thread quantity per inch

16

Nut height

0.438–0.468 in

Nominal thread size

Inches 0.375

From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.

Cross-reference part numbers

MS51922-17 12449377-11 29725-004 443335 F51N7582-616 5731655 806126-00 34015 60754 10324 M45913/1-6CG5C 13230E6382-6 905041 SK-2500-16

Also referenced as

21NU-066 29U-066 F52NE-066 13230E6382 10082384

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual. They find the item; confirm the current part number when you order.

Shown for identification only. SECO can quote against any of these numbers.

Logistics data

Source of supply	SMS DLA Land and Maritime, Columbus, Ohio
Acquisition advice code	D DLA/GSA stocked — stocked by DLA or GSA and issued from central stock
Unit of issue	HD hundred
Demilitarization code	A Demilitarization not required — non-munitions-list item
Controlled inventory code	U Unclassified
Hazardous material indicator	N No hazardous material

Source: public FLIS/PUB LOG cataloging data.

Why buy from SECO

These quantities sit on our own shelves — we are a stocking supplier, not a broker sourcing after you order. Condition-coded stock, formal quotes with NSN/PN on the paperwork, POs and GPC welcome, fast U.S. shipping.

In business since 1951 · 30,000+ contracts completed · about SECO & our policies · more questions answered

FAQ

What is NSN 5310-00-087-4652?
NSN 5310-00-087-4652 (5310000874652) — Self-Locking Hexagon Nut: SECO Parts has 1,527 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for self-locking hexagon nut in federal supply class 5310 (Nuts and Washers).

Is NSN 5310-00-087-4652 available?
SECO Parts has 1527 in stock in Augusta, GA — order or request a quote below.

How much does NSN 5310-00-087-4652 cost?
SECO lists NSN 5310-00-087-4652 at $8.32 on its online store for card checkout; request a quote for quantity or to buy on a purchase order.

What does NSN 5310-00-087-4652 fit?
The federal catalog lists NSN 5310-00-087-4652 as used on: MRAP-RG-33 Armored Utility Vehicle (Auv); Armored Multi-Purpose Vehicle (Ampv); Multiple Launch Rocket System (MLRS); A4 Bradley Fighting Vehicle; A3 Bradley Fighting Vehicle. SECO lists it under MRAP parts.

What part numbers cross-reference to NSN 5310-00-087-4652?
Part numbers that cross-reference this NSN include MS51922-17, 12449377-11, 29725-004, 443335, F51N7582-616, 5731655, 806126-00, 34015. It is also referenced by older, superseded or advisory numbers: 21NU-066, 29U-066, F52NE-066, 13230E6382, 10082384. SECO can quote against any of them.