Close Tolerance Bolt P/N AN173-7

Specifications

Grip diameter

0.1889–0.1894 in

Shank unthreaded hole diameter

All Holes Inches Nominal 0.076

Surface treatment document and classification

Overall Fed Spec Single Treatment Response QQ--416,Tye 2,Class 3

Material

Overall Steel Comp 8740 or Steel Comp 8630 or Steel Comp 8735 or Steel Comp 4037 or Steel Comp 4130 or Steel Comp 4140

Material document and classification

Overall MIL Spec 1ST Material Response -IL-S-6049 or MIL Spec 2ND Material Response -IL-S-6050 or MIL Spec 3RD Material Response -IL-S-6098 or Assn STD 4TH Material Response A-S 6300 or MIL Spec 5TH Material Response -IL-S-6758 or MIL Spec 6TH Material Response -IL-S-5626

Surface treatment

Overall Cadmium and Chromate

Distance from head largest bearing surface to shank hole center

All Holes Inches Nominal 0.766

Thread series designator

UNF

Grip length

0.500 in (nominal)

Minimum tensile strength

Pounds Per Square Inch 125000

Width between flats

0.365–0.377 in

Thread class

3A

Thread direction

Right-Hand

Thread length

0.312–0.453 in

Fastener length

0.891–0.937 in

Head height

0.109–0.141 in

Surface finish

Grip Microinches 63.0

Surface finish

Bearing Surface of Head Microinches 63.0

Nominal thread diameter

Inches 0.190

Hardness rating

Overall Rockwell C Minimum 26.0 and Rockwell C Maximum 26.0

Thread quantity per inch

32

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

Cross-reference part numbers

AN173-7

Also referenced as

83-7

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual.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	V Terminal item (no longer procured) — a terminal item: the government no longer procures it. SECO has 4,900 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 5306-00-151-1945?
NSN 5306-00-151-1945 (5306001511945) — Close Tolerance Bolt: SECO Parts has 4,900 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for close tolerance bolt in federal supply class 5306 (Bolts).

Is NSN 5306-00-151-1945 available?
SECO Parts has 4900 in stock in Augusta, GA — order or request a quote below.

How much does NSN 5306-00-151-1945 cost?
NSN 5306-00-151-1945 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 5306-00-151-1945?
Part numbers that cross-reference this NSN include AN173-7. It is also referenced by older, superseded or advisory numbers: 83-7. SECO can quote against any of them.