Machine Bolt P/N MIL-S-1222

Specifications

Thread class

2A

Thread direction

Right-Hand

Nominal thread diameter

Inches 0.375

Material document and classification

Overall MIL Spec Single Material Response -IL-S-1222,GR 8

Thread series designator

UNF

Thread length

0.938 in minimum

Thread quantity per inch

24

Hardness rating

Overall Rockwell C Minimum 32.0 and Rockwell C Maximum 38.0

Head height

0.281 in (nominal)

Width between flats

0.562 in (nominal)

Minimum tensile strength

Pounds Per Square Inch 150000

Minimum yield strength

Pounds Per Square Inch 145000

Material

Overall Steel

Nondefinitive spec/std data

Type 1 and Grade 8

Fastener length

2.000 in (nominal)

Features provided

Finished Head

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

Cross-reference part numbers

MIL-S-1222 M1222RX6F232GHNN 0046419-8 046419 0046419 S1748

Also referenced as

0S1748

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual.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 415 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 5306-00-426-2939?
NSN 5306-00-426-2939 (5306004262939) — Machine Bolt: SECO Parts has 415 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for machine bolt in federal supply class 5306 (Bolts).

Is NSN 5306-00-426-2939 available?
SECO Parts has 415 in stock in Augusta, GA — order or request a quote below.

How much does NSN 5306-00-426-2939 cost?
NSN 5306-00-426-2939 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 5306-00-426-2939?
Part numbers that cross-reference this NSN include MIL-S-1222, M1222RX6F232GHNN, 0046419-8, 046419, 0046419, S1748. It is also referenced by older, superseded or advisory numbers: 0S1748. SECO can quote against any of them.