Home · NSN 00-966-6521

NSN 00-966-6521 — Cover,Access

NIIN 00-966-6521 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

NSN 00-966-6521 is the national stock number for a cover,access. It cross-references to 1 manufacturer part number from 2 CAGE codes, including Tison Engineering Inc, Spacecraft Engineering Co Inc; the primary is 41506. The unit of issue is EA and the FLIS list price is $81.85.

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 number from 2 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
41506	81445	Tison Engineering Inc	3 · Design control (vendor)	9 · Reference only
41506	31243	Spacecraft Engineering Co Inc	5 · Secondary reference	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 41506.

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

DLA management data

FLIS unit price: $81.85
Unit of issue: EA
Acquisition advice: J — Not stocked, central procurement
Source of supply: SMS
Effective: Oct 1, 2026

Item characteristics

Inside Diameter: INCHES NOMINAL 1.000
Hole Diameter: INCHES MINIMUM 0.202 AND INCHES MAXIMUM 0.207
Bolt Circle Diameter: INCHES NOMINAL 3.312
Flange Thickness: INCHES NOMINAL 0.220
Bolt Circle Hole Quantity: 6
First Recess Inside Height: INCHES NOMINAL 0.625
Inside Corner Radius: INCHES MAXIMUM 0.020
Securing Device Type: THREADED FASTENER
Features Provided: OBSERVATION FACILITY
Material: ALUMINUM ALLOY 356.0
Material Document And Classification: FED SPEC SINGLE MATERIAL RESPONSE QQ-A-601,T6
Surface Treatment: ANODIZE
Surface Treatment Document And Classification: MIL SPEC SINGLE TREATMENT RESPONSE -IL-A-8625

Related stock numbers

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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.