Home · NSN 01-327-5180

NSN 01-327-5180 — Screw,Close Tolerance

NIIN 01-327-5180 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

NSN 01-327-5180 is the national stock number for a screw,close tolerance. It cross-references to 2 manufacturer part numbers from 9 CAGE codes, including The Boeing Company, Howmet Global Fastening Systems Inc Div Torrance Operations, Sps Technologies, LLC Dba Aerospace Fasteners Group Div Aerospace - Santa Ana; the primary is BACB30EL6-5. The unit of issue is EA and the FLIS list price is $13.71.

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.

part numbers from 9 CAGEs

open solicitations, all agencies

government buys in 24 months

sellers with confirmed stock

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Cross-references

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

Part number	CAGE	Manufacturer	Reference	Variation
BACB30EL6-6	81205	The Boeing Company	3 · Design control (vendor)	2 · Fully interchangeable
BACB30EL6-5	92215	Howmet Global Fastening Systems Inc Div Torrance Operations	5 · Secondary reference	9 · Reference only
BACB30EL6-5	81205	The Boeing Company	5 · Secondary reference	2 · Fully interchangeable
BACB30EL6-5	80539	Sps Technologies, LLC Dba Aerospace Fasteners Group Div Aerospace - Santa Ana	5 · Secondary reference	2 · Fully interchangeable
BACB30EL6-6	L4528	Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc	5 · Secondary reference	2 · Fully interchangeable
BACB30EL6-6	56878	Sps Technologies, LLC	5 · Secondary reference	2 · Fully interchangeable
BACB30EL6-6	73197	Hi-Shear Corporation	5 · Secondary reference	2 · Fully interchangeable
BACB30EL6-6	92215	Howmet Global Fastening Systems Inc Div Torrance Operations	5 · Secondary reference	2 · Fully interchangeable
BACB30EL6-6	97928	Huck Intl Inc	5 · Secondary reference	9 · Reference only
BACB30EL6-5	06950	Howmet Global Fastening Systems Inc	C	1 · Not fully interchangeable
BACB30EL6-6	17446	Huck International, Inc	C	1 · Not 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 BACB30EL6-5.

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

DLA management data

FLIS unit price: $13.71
Unit of issue: EA
Acquisition advice: J — Not stocked, central procurement
Source of supply: SMS
Effective: Oct 1, 2025

Item characteristics

Thread Class: 3A
Thread Direction: RIGHT-HAND
Thread Length: INCHES NOMINAL 0.391
Fastener Length: INCHES MINIMUM 0.669 AND INCHES MAXIMUM 0.699
Head Diameter: INCHES MINIMUM 0.515 AND INCHES MAXIMUM 0.566
Grip Diameter: INCHES MINIMUM 0.3735 AND INCHES MAXIMUM 0.3745
Nominal Thread Diameter: INCHES 0.375
Grip Length: INCHES MINIMUM 0.283 AND INCHES MAXIMUM 0.303
Thread Quantity Per Inch: 24
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 MINIMUM 99.0 AND DEGREES MAXIMUM 101.0
Surface Finish: BEARING SURFACE OF HEAD MICROINCHES 32.0
Surface Finish: THREADS MICROINCHES 32.0
Surface Finish: GRIP MICROINCHES 32.0
Material: OVERALL STEEL COMP 4130 OR STEEL COMP E4340 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 6150
Surface Treatment: OVERALL CADMIUM AND CHROMATE
Surface Treatment Document And Classification: OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 2 CL 3
Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF)

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.