Home · NSN 01-181-8039

NSN 01-181-8039 — Cover,Access

NIIN 01-181-8039 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

NSN 01-181-8039 is the national stock number for a cover,access. It cross-references to 2 manufacturer part numbers from 3 CAGE codes, including Aimtron Systems, LLC, Cardion Inc, Jednolity Indeks Materialowy - Uniform Material Index; the primary is 503443. The unit of issue is EA and the FLIS list price is $556.26.

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 3 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
503443	20284	Aimtron Systems, LLC	3 · Design control (vendor)	2 · Fully interchangeable
503443	12909	Cardion Inc	5 · Secondary reference	9 · Reference only
5342PL1378115	9009H	Jednolity Indeks Materialowy - Uniform Material Index	6	9 · Reference only

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 503443.

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

DLA management data

FLIS unit price: $556.26
Unit of issue: EA
Acquisition advice: J — Not stocked, central procurement
Source of supply: SMS
Effective: Oct 1, 2026

Item characteristics

Hole Diameter: INCHES NOMINAL 0.437
Width: INCHES MINIMUM 5.219 AND INCHES MAXIMUM 5.281
Flange Thickness: INCHES NOMINAL 0.188
Length: INCHES MINIMUM 6.469 AND INCHES MAXIMUM 6.531
Inside Width: INCHES NOMINAL 3.250
Inside Length: INCHES NOMINAL 4.500
Corner Radius: INCHES NOMINAL 0.250
Distance Between Hole Centerline And First Hole Along Length: INCHES NOMINAL 2.906
Distance Between Hole Centerline And First Hole Along Width: INCHES NOMINAL 2.281
Distance From First Hole Centerline To End Along Length: INCHES MINIMUM 2.562 AND INCHES MAXIMUM 3.250
Distance From First Hole Centerline To End Along Width: INCHES MINIMUM 1.937 AND INCHES MAXIMUM 2.625
First Recess Inside Height: INCHES NOMINAL 2.750
Body Thickness: INCHES NOMINAL 0.250
Securing Device Type: THREADED FASTENER
Special Features: 8 HOLES COUNTERSUNK 82 DEG,0.062 IN. DP,AND 1 HOLE 6-32UNC-2B THD
Material: ALUMINUM ALLOY 356.0
Material Document And Classification: FED SPEC SINGLE MATERIAL RESPONSE QQ-A-601
Surface Treatment: PAINT
Surface Treatment Document And Classification: MFR REF SINGLE TREATMENT RESPONSE 0967-052-8280,FSC- 80064

Related stock numbers

Other NSNs filed under the same part numbers.

00-570-0091 · Nozzle Block,Turbin
00-807-1469 · Nut,Self-Locking,Extended Washer
00-911-3287 · Cover,Finger,Valve,

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.