PartsTable
Technical Data Sheet
Download PDF

B2731-1A — BLOCK,SUPPORT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

B2731-1A: BLOCK,SUPPORT.

The BLOCK,SUPPORT is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STEEL 4340,6.540 IN. LG,1.000 IN.

H,0.375 IN. THK IN. This part is cataloged in the U.S.

Government catalog under NSN 1680-01-018-7455, 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
B2731-1A
NSN: 1680-01-018-7455
FSC: 1680 — Miscellaneous Aircraft Accessories and Components
CAGE: 54184 — ARA, INC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL 4340,6.540 IN. LG,1.000 IN. H,0.375 IN. THK IN
NSN1680-01-018-7455
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BLOCK,SUPPORT TITLE COMPONENT PN B2731-1A MFR BLOCK,SUPPORT
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL 4340,6.540 IN. LG,1.000 IN. H,0.375 IN. THK IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL 4340,6.540 IN. LG,1.000 IN. H,0.375 IN. THK IN
OTHER ITEMS IN FSC 1680 — Miscellaneous Aircraft Accessories and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1680-00-001-1736 1680-00-003-3721 1680-00-009-3782 1680-00-009-6180 1680-00-475-0002 1680-00-696-6170 1680-00-867-7158 1680-00-885-0923
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
Ready to buy B2731-1A?
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 B2731-1A?
B2731-1A is a BLOCK,SUPPORT.
What is the NSN for B2731-1A?
B2731-1A is cataloged in the U.S. Government catalog under NSN 1680-01-018-7455. 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 — B2731-1A

✓ 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.