Home · NSN 01-057-8140

NSN 01-057-8140 — Screw,Close Tolerance

NIIN 01-057-8140 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 01-057-8140 is the national stock number for a screw,close tolerance. It cross-references to 1 manufacturer part number from 7 CAGE codes, including The Boeing Company, Sps Technologies, LLC, Hi-Shear Corporation; the primary is BACB30EL4CN9. The unit of issue is EA and the FLIS list price is $122.27.

No government purchase of this stock number is on our record yet. No seller has confirmed stock of it here in the last 60 days; watching the number is free and the first listing triggers an alert.

1

part number from 7 CAGEs

0

open solicitations, all agencies

0

government buys in 24 months

0

sellers with confirmed stock

Watch NSN 01-057-8140: an email the morning the government solicits or buys it, or an AD names it. Free.
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Cross-references

Part numbers filed against this stock number, with the manufacturer (CAGE) and the FLIS reference codes.

Part numberCAGEManufacturerReferenceVariation
BACB30EL4CN981205The Boeing Company3 · Design control (vendor)2 · Fully interchangeable
BACB30EL4CN956878Sps Technologies, LLC5 · Secondary reference2 · Fully interchangeable
BACB30EL4CN973197Hi-Shear Corporation5 · Secondary reference2 · Fully interchangeable
BACB30EL4CN91RC86Howmet Global Fastening Systems Inc5 · Secondary reference2 · Fully interchangeable
BACB30EL4CN99N513Voi-Shan/Chatsworth Div Of Vsi Corp Sub Of Fairchild Industries Inc5 · Secondary reference9 · Reference only
BACB30EL4CN9L4528Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc5 · Secondary reference2 · Fully interchangeable
BACB30EL4CN906950Howmet Global Fastening Systems Inc5 · Secondary reference2 · Fully interchangeable

Government demand

Nothing open right now. Watch this NSN and we will email you when it is solicited.

What the government paid

No government purchase on record for this NSN.

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices.

Sellers with confirmed stock

No seller has confirmed stock on this NSN in the last 60 days. Watch it and we will email you when one does, or request a quote on BACB30EL4CN9.

Request BACB30EL4CN9

No account needed. Goes to the sellers who carry this number or its family.

Listings appear here only while the seller has confirmed them within 60 days. Sellers: list this part free.

DLA management data

FLIS unit price
$122.27
Unit of issue
EA
Acquisition advice
Z — Insurance item
Source of supply
SMS
Effective
Oct 1, 2025

Item characteristics

Thread Class
3A
Thread Direction
RIGHT-HAND
Thread Length
INCHES MINIMUM 0.291 AND INCHES MAXIMUM 0.341
Fastener Length
INCHES MINIMUM 0.863 AND INCHES MAXIMUM 0.893
Head Diameter
INCHES MINIMUM 0.350 AND INCHES MAXIMUM 0.399
Grip Diameter
INCHES MINIMUM 0.2485 AND INCHES MAXIMUM 0.2495
Nominal Thread Diameter
INCHES 0.250
Grip Length
INCHES MINIMUM 0.552 AND INCHES MAXIMUM 0.572
Thread Quantity Per Inch
28
Minimum Tensile Strength
POUNDS PER SQUARE INCH 160000
Hardness Rating
OVERALL ROCKWELL C MINIMUM 36.0 AND ROCKWELL C MAXIMUM 40.0
Countersink Angle
DEGREES NOMINAL 100.0
Surface Finish
THREADS MICROINCHES 63.0
Surface Finish
GRIP MICROINCHES 63.0
Material
OVERALL STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 4130
Surface Treatment
OVERALL NICKEL AND CADMIUM
Thread Series Designator
UNF

About this page

An NSN is 13 digits: the 4-digit Federal Supply Class and the 9-digit NIIN. Cross-references come from the federal logistics record; demand from DLA DIBBS, SAM.gov and FPDS; ADs from the Federal Register. Refreshed nightly. Market Pulse shows the whole market.

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