Machine Bolt P/N 430637

Specifications

Thread class

2A

Thread direction

Right-Hand

Thread length

1.500 in minimum

Fastener length

8.000 in (nominal)

Head height

0.308–0.348 in

Width between flats

0.725–0.750 in

Nominal thread diameter

Inches 0.500

Grip length

6.500 in (nominal)

Features provided

Unfinished Head

Thread quantity per inch

13

Minimum tensile strength

Pounds Per Square Inch 55000

Material

Overall Steel Comp 1008 or Steel Comp 1009 or Steel Comp 1010 or Steel Comp 1011

Material document and classification

Overall Fed STD All Material Responses 66

Surface treatment

Overall Cadmium or Zinc

Surface treatment document and classification

Overall Fed Spec 1ST Treatment Response QQ--416,TY 2,CL 3 or Fed Spec 2ND Treatment Response QQ-Z-325,TY 2,CL 3

Thread series designator

Unified National Coarse (UNC)

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

Cross-reference part numbers

430637 MS35355-139

Also referenced as

1-2 13X8IN

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual.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	J Not stocked, centrally procured — the government does not stock this item; it is procured only when a requisition arrives. SECO has 45 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 5306-00-043-0637?
NSN 5306-00-043-0637 (5306000430637) — Machine Bolt: SECO Parts has 45 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 5306-00-043-0637 available?
SECO Parts has 45 in stock in Augusta, GA — order or request a quote below.

How much does NSN 5306-00-043-0637 cost?
SECO typically prices parts like NSN 5306-00-043-0637 at $25–$55 each: an estimate from the government catalog price and what SECO has charged for similar parts. It is not a quote — request one for your price, usually answered the same business day. Quote lines carry a $50 minimum.

What part numbers cross-reference to NSN 5306-00-043-0637?
Part numbers that cross-reference this NSN include 430637, MS35355-139. It is also referenced by older, superseded or advisory numbers: 1-2 13X8IN. SECO can quote against any of them.