Shear Bolt P/N NASM21250-H04010

Specifications

Thread length

0.502–0.522 in

Grip diameter

0.2485–0.2495 in

Nominal thread diameter

Inches 0.250

Grip length

0.615–0.635 in

Hole diameter

0.037 in (nominal)

Hardness rating

Overall Rockwell C Minimum 39.0 and Rockwell C Maximum 43.0

Material

Overall Steel Comp E4340 or Steel Comp 8740 or Steel Comp 6150 or Steel Comp 4140

Material document and classification

Overall MIL Spec 1ST Material Response -IL-S-5000 or MIL Spec 2ND Material Response -IL-S-6049 or MIL Spec 3RD Material Response -IL-S-8503 or MIL Spec 4TH Material Response -IL-S-5626

Surface treatment

Overall Cadmium and Chromate

Surface treatment document and classification

Overall Fed Spec All Treatment Responses QQ--416,Tye 2,CL 3

Thread series designator

Unified National Joint Fine (Unjf)

Minimum tensile strength

Pounds Per Square Inch 180000

Thread direction

Right-Hand

Thread quantity per inch

28

Fastener length

1.137 in (nominal)

Extended washer thickness

0.069 in (nominal)

Thread class

3A

Head height

0.300 in (nominal)

Width between flats

0.304–0.313 in

Extended washer diameter

0.428–0.438 in

Hole type

Drilled

Hole quantity

4

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

Cross-reference part numbers

NASM21250-H04010

Also referenced as

MS21250H04010

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual.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	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 5306-00-400-0047?
NSN 5306-00-400-0047 (5306004000047) — Shear Bolt: SECO Parts has 46 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for shear bolt in federal supply class 5306 (Bolts).

Is NSN 5306-00-400-0047 available?
SECO Parts has 46 in stock in Augusta, GA — order or request a quote below.

How much does NSN 5306-00-400-0047 cost?
NSN 5306-00-400-0047 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 part numbers cross-reference to NSN 5306-00-400-0047?
Part numbers that cross-reference this NSN include NASM21250-H04010. It is also referenced by older, superseded or advisory numbers: MS21250H04010. SECO can quote against any of them.