Self-Locking Extended Washer Nut P/N FN12A054

Specifications

Thread class

3B

Thread series

Unified National Joint Fine (Unjf)

Washer thickness

0.023 in minimum

Width across flats

0.367–0.378 in

Thread quantity per inch

24

Nominal thread size

Inches 0.312

Material

Overall Steel

Surface treatment

Overall Cadmium and Chromate

Overall height

0.251–0.266 in

Hardness rating

Rockwell C Maximum 49.0

Surface treatment document and classification

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

Thread direction

Right-Hand

Locking feature

Prevailing Torque All Metal Design

Washer outside diameter

0.520 in maximum

Lubrication

Soluble Lubricant

Temp rating

Fahrenheit Nominal 450.0

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

Cross-reference part numbers

FN12A054 MS21042-5 870-0219 938.07.68.506 H14-5CW 503443 F52LH3324-054 17825-5 T98S524CPF T98S524CPC

Also referenced as

333-1422-110 R4130-524

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual.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 1,820 on the shelf
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.

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FAQ

What is NSN 5310-00-807-1469?
NSN 5310-00-807-1469 (5310008071469) — Self-Locking Extended Washer Nut: SECO Parts has 1,820 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for self-locking extended washer nut in federal supply class 5310 (Nuts and Washers).

Is NSN 5310-00-807-1469 available?
SECO Parts has 1820 in stock in Augusta, GA — order or request a quote below.

How much does NSN 5310-00-807-1469 cost?
SECO quotes NSN 5310-00-807-1469 on request, usually the same business day.

What part numbers cross-reference to NSN 5310-00-807-1469?
Part numbers that cross-reference this NSN include FN12A054, MS21042-5, 870-0219, 938.07.68.506, H14-5CW, 503443, F52LH3324-054, 17825-5. It is also referenced by older, superseded or advisory numbers: 333-1422-110, R4130-524. SECO can quote against any of them.