Close Tolerance Bolt P/N MS27576-6-43R

Specifications

Thread class

3A

Thread direction

Right-Hand

Thread length

0.356–0.438 in

Fastener length

3.226–3.246 in

Head height

0.189–0.204 in

Width between flats

0.553–0.564 in

Grip diameter

0.3733–0.3742 in

Shank unthreaded hole diameter

First Hole Inches Minimum 0.106 and Inches Maximum 0.116

Nominal thread diameter

Inches 0.375

Grip length

2.688–2.704 in

Thread quantity per inch

24

Hardness rating

Overall Rockwell C Minimum 36.0 and Rockwell C Maximum 41.0

Distance from head largest bearing surface to shank hole center

First Hole Inches Minimum 3.111 and Inches Maximum 3.141

Surface finish

Bearing Surface of Head Microinches 63.0

Surface finish

Grip Microinches 63.0

Special features

W/retaining Element on Shank

Material

Overall Steel Comp E4340 or Steel Comp 4140 or Steel Comp 8740 or Steel Comp 4130 or Steel Comp 6150

Surface treatment

Overall Cadmium and Chromate

Surface treatment document and classification

Overall Fed Spec All Treatment Responses QQ--416 TY 2 CL 2

Thread series designator

Unified National Joint Fine (Unjf)

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

Cross-reference part numbers

MS27576-6-43R CA4510-6-43 MS27576-6-43 106467-6-43 AS194-6-43 CIPRD-MS27576-6-43R

Also referenced as

CA4510-5-42 MS27576-6-42 106467-6-42 AS194-6-42

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual.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 20 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 5306-00-003-4119?
NSN 5306-00-003-4119 (5306000034119) — Close Tolerance Bolt: SECO Parts has 20 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 5306-00-003-4119 available?
SECO Parts has 20 in stock in Augusta, GA — order or request a quote below.

How much does NSN 5306-00-003-4119 cost?
SECO typically prices parts like NSN 5306-00-003-4119 at $65–$115 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 5306-00-003-4119?
Part numbers that cross-reference this NSN include MS27576-6-43R, CA4510-6-43, MS27576-6-43, 106467-6-43, AS194-6-43, CIPRD-MS27576-6-43R. It is also referenced by older, superseded or advisory numbers: CA4510-5-42, MS27576-6-42, 106467-6-42, AS194-6-42. SECO can quote against any of them.