Cap Hexagon Head Screw P/N AES01C250378AW9A91

Specifications

Minimum tensile strength

Pounds Per Square Inch 150000

Thread length

0.219–0.375 in

Surface treatment document and classification

Overall Assn STD Single Treatment Response Ast- B633 TY 2 SC 3

Nominal thread diameter

Inches 0.250

Minimum yield strength

Pounds Per Square Inch 130000

Material

Overall Steel

Head height

0.150–0.163 in

Thread quantity per inch

20

Material document and classification

Overall Assn STD Single Material Response SAE J429,Grade 8 or Assn STD Single Material Response Ast- A354,Grade BD

Thread class

2A

Thread direction

Right-Hand

Thread series designator

Unified National Coarse (UNC)

Fastener length

0.344–0.375 in

Hardness rating

Overall Rockwell C Minimum 33.0 and Rockwell C Maximum 39.0

Width between flats

0.428–0.438 in

Surface treatment

Overall Zinc and Chromate

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

Cross-reference part numbers

AES01C250378AW9A91 17C406 303864 855364-00 B1821BH025C038N MS90728-1 MS35305-1 ASME B18.2.1 17C406CR 17406CR

Also referenced as

91247A535 1C406

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual.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 25 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 5305-00-071-2508?
NSN 5305-00-071-2508 (5305000712508) — Cap Hexagon Head Screw: SECO Parts has 25 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for cap hexagon head screw in federal supply class 5305 (Screws).

Is NSN 5305-00-071-2508 available?
SECO Parts has 25 in stock in Augusta, GA — order or request a quote below.

How much does NSN 5305-00-071-2508 cost?
SECO quotes NSN 5305-00-071-2508 on request, usually the same business day.

What does NSN 5305-00-071-2508 fit?
The federal catalog lists NSN 5305-00-071-2508 as used on: MRAP RG-33; MRAP - Cougar TOW; 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 5305-00-071-2508?
Part numbers that cross-reference this NSN include AES01C250378AW9A91, 17C406, 303864, 855364-00, B1821BH025C038N, MS90728-1, MS35305-1, ASME B18.2.1. It is also referenced by older, superseded or advisory numbers: 91247A535, 1C406. SECO can quote against any of them.