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BFA056 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

BFA056: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, ring_style: SPIRAL, usage_design: EXTERNAL, inside_diameter: 1.438 INCHES NOMINAL IN, major_thickness: 0.047 INCHES NOMINAL IN, outside_diameter: 1.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-205-4693, 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
BFA056
NSN: 5325-00-205-4693
FSC: 5325 — Fastening Devices
CAGE: 89073 — REXARC INTERNATIONAL, INC (USA)
SPECIFICATIONS
materialSTEEL
ring_styleSPIRAL
usage_designEXTERNAL
inside_diameter1.438 INCHES NOMINAL IN
major_thickness0.047 INCHES NOMINAL IN
outside_diameter1.625 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleDOUBLE OVAL
NSN5325-00-205-4693
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BFA056 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
USAGE DESIGN: EXTERNAL
•
CROSS-SECTIONAL SHAPE STYLE: DOUBLE OVAL
•
OUTSIDE DIAMETER: 1.625 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.047 INCHES NOMINAL IN
•
INSIDE DIAMETER: 1.438 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: SPIRAL
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
USAGE DESIGNEXTERNAL
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
OUTSIDE DIAMETER1.625 INCHES NOMINAL IN
MAJOR THICKNESS0.047 INCHES NOMINAL IN
INSIDE DIAMETER1.438 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESPIRAL
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 4
1229Z1118Reference document
Same NSN cross-reference
Reference document — Secondary reference
16672P11Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
73021Reference document
Same NSN cross-reference
Reference document — Secondary reference
10C000169-11Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BFA056?
BFA056 is a RING,RETAINING.
What parts can replace BFA056?
There are 4 known substitutes for BFA056: 1229Z1118, 16672P11, 73021 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BFA056?
BFA056 is cataloged in the U.S. Government catalog under NSN 5325-00-205-4693. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.