PartsTable
Technical Data Sheet
Download PDF

SS291 — CIRCUIT CARD ASSEMBLY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

SS291: CIRCUIT CARD ASSEMBLY.

The CIRCUIT CARD ASSEMBLY is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, construction: ONE-PIECE. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-845-0772, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
SS291
NSN: 3020-00-845-0772
NIINs: 008450772, 013043640, 014384749
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 31033 — TRW INC TRW INTL TRADE GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
constructionONE-PIECE
NSN3020-00-845-0772
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CIRCUIT CARD ASSEMBLY TITLE COMPONENT PN SS291 MFR CIRCUIT CARD ASSEMBLY
KEY FEATURES
•
HUB OUTSIDE DIAMETER: 2.125 INCHES NOMINAL AA END IN
•
SECURING METHOD: ANY ACCEPTABLE
•
BORE LENGTH: 0.781 INCHES NOMINAL IN
•
DESIGN FORM: PLAIN
•
TOOTH PITCH: 0.500 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 2.969 INCHES NOMINAL IN
•
KEYING FACILITY TYPE: KEYWAY
•
QUANTITY: 1
TECHNICAL CHARACTERISTICS
HUB OUTSIDE DIAMETER2.125 INCHES NOMINAL AA END IN
SECURING METHODANY ACCEPTABLE
BORE LENGTH0.781 INCHES NOMINAL IN
DESIGN FORMPLAIN
TOOTH PITCH0.500 INCHES NOMINAL IN
OUTSIDE DIAMETER2.969 INCHES NOMINAL IN
KEYING FACILITY TYPEKEYWAY
QUANTITY1
STYLE DESIGNATORPLAIN
PITCH DIAMETER2.688 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
2128912Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
17296Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy SS291?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is SS291?
SS291 is a CIRCUIT CARD ASSEMBLY.
What parts can replace SS291?
There are 2 known substitutes for SS291: 2128912, 17296. Substitute compatibility should be verified for your specific system.
What is the NSN for SS291?
SS291 is cataloged in the U.S. Government catalog under NSN 3020-00-845-0772. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — SS291

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.