PartsTable
Technical Data Sheet
PartsTable / COMPONENT / A1557-1
A1557-1 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The BAR,BUCKING,RIVET is a the manufacturer industrial component. Key specifications include taper_length: 4.250 INCHES NOMINAL IN, recess_diameter: 0.219 INCHES NOMINAL IN, tool_style_designator: BB3, nondefinitive_spec/std_data: IX TYPE AND 1 SIZE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-596-4063, 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
A1557-1
NSN: 5120-00-596-4063
FSC: 5120
CAGE: 81336 — CHIEF OF ENGINEERS DEPT OF ARMY (USA)
SPECIFICATIONS
taper_length4.250 INCHES NOMINAL IN
recess_diameter0.219 INCHES NOMINAL IN
tool_style_designatorBB3
nondefinitive_spec/std_dataIX TYPE AND 1 SIZE
NSN5120-00-596-4063
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BAR,BUCKING,RIVET TITLE COMPONENT PN A1557-1 MFR BAR,BUCKING,RIVET
KEY FEATURES
•
TAPER LENGTH: 4.250 INCHES NOMINAL IN
•
TOOL STYLE DESIGNATOR: BB3
•
RECESS DIAMETER: 0.219 INCHES NOMINAL IN
•
NONDEFINITIVE SPEC/STD DATA: IX TYPE AND 1 SIZE
TECHNICAL CHARACTERISTICS (FLIS)
TAPER LENGTH4.250 INCHES NOMINAL IN
TOOL STYLE DESIGNATORBB3
RECESS DIAMETER0.219 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATAIX TYPE AND 1 SIZE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
ZT614Interchangeable
interchangeable cross-reference
interchangeable
AA52123-XInterchangeable
interchangeable cross-reference
interchangeable
A-A-52123Interchangeable
interchangeable cross-reference
interchangeable
MIL-B-920Interchangeable
interchangeable cross-reference
interchangeable
AA52123-VIIInterchangeable
interchangeable cross-reference
interchangeable
MIL-B-920 TY7SZ3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy A1557-1?
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 A1557-1?
A1557-1 is a BAR,BUCKING,RIVET.
What parts can replace A1557-1?
There are 24 known substitutes for A1557-1: ZT614, AA52123-X, A-A-52123 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A1557-1?
A1557-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-596-4063. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — A1557-1

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026