Cap Hexagon Head Screw P/N B1821BH063F225N

Specifications

Minimum tensile strength

Pounds Per Square Inch 150000

Fastener length

2.250 in (nominal)

Surface treatment document and classification

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

Thread direction

Right-Hand

Minimum yield strength

Pounds Per Square Inch 120000

Material

Overall Steel

Width between flats

0.922–0.938 in

Head height

0.378–0.403 in

Hardness rating

Overall Rockwell C Minimum 32.0 and Rockwell C Maximum 38.0

Material document and classification

Overall Assn STD Single Material Response SAE GR 8

Thread length

1.500–1.688 in

Thread class

2A

Nominal thread diameter

Inches 0.625

Thread series designator

UNF

Thread quantity per inch

18

Surface treatment

Overall Cadmium 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

B1821BH063F225N G223812 25089580 429730 223812 FFS85 MS90726-165 MS90727-165 1AX97

Also referenced as

K-500-CH-1398 10469643

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual.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 1,328 on the shelf
Unit of issue	EA each
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 5305-00-726-2552?
NSN 5305-00-726-2552 (5305007262552) — Cap Hexagon Head Screw: SECO Parts has 1,328 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 5305-00-726-2552 available?
SECO Parts has 1328 in stock in Augusta, GA — order or request a quote below.

How much does NSN 5305-00-726-2552 cost?
NSN 5305-00-726-2552 is a low-cost part, so SECO quotes it by the line rather than by the piece: there is a $50 minimum per line, and quantity pricing on request — usually answered the same business day.

What does NSN 5305-00-726-2552 fit?
The federal catalog lists NSN 5305-00-726-2552 as used on: MRAP RG-33. SECO lists it under MRAP parts.

What part numbers cross-reference to NSN 5305-00-726-2552?
Part numbers that cross-reference this NSN include B1821BH063F225N, G223812, 25089580, 429730, 223812, FFS85, MS90726-165, MS90727-165. It is also referenced by older, superseded or advisory numbers: K-500-CH-1398, 10469643. SECO can quote against any of them.