Self-Locking Hexagon Nut P/N MS51943-44

Specifications

Thread class

3B

Material

Nut Steel

Width across flats

0.9220–0.9395 in

Nut height

0.765 in maximum

Surface treatment document and classification

Nut Fed Spec Single Treatment Response QQ--416,TY 2,CL 3

Temp rating

Fahrenheit Nominal 250.0

Thread series

UNF

Thread quantity per inch

18

Hardness rating

Rockwell C Minimum 26.0 and Rockwell C Maximum 35.0

Nominal thread size

Inches 0.625

Bearing surface type

Chamfered or Washer Faced

Thread direction

Right-Hand

Material

Locking Insert Plastic Polyamide Nylon

Surface treatment

Nut Cadmium

Locking feature

Prevailing Torque with Nonmetallic Insert

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

Cross-reference part numbers

MS51943-44 2126 2191-107 M45913/3-10FG8C

Also referenced as

122-5277670 ITEM 24 122-5277737 ITEM 24 M1497572107 10200506

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual.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	Z Insurance/numeric stockage objective — held by the government as insurance stock for contingencies, not for routine issue. SECO has 1,334 on the shelf
Unit of issue	PG package
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.

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FAQ

What is NSN 5310-00-241-6664?
NSN 5310-00-241-6664 (5310002416664) — Self-Locking Hexagon Nut: SECO Parts has 1,334 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 5310-00-241-6664 available?
SECO Parts has 1334 in stock in Augusta, GA — order or request a quote below.

How much does NSN 5310-00-241-6664 cost?
SECO quotes NSN 5310-00-241-6664 on request, usually the same business day.

What part numbers cross-reference to NSN 5310-00-241-6664?
Part numbers that cross-reference this NSN include MS51943-44, 2126 2191-107, M45913/3-10FG8C. It is also referenced by older, superseded or advisory numbers: 122-5277670 ITEM 24, 122-5277737 ITEM 24, M1497572107, 10200506. SECO can quote against any of them.