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Technical Data Sheet
PartsTable / COMPONENT / A235543
A235543 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL UNS K08500, ring_style: HOOKED WIRE, usage_design: INTERNAL, inside_diameter: 1.156 INCHES NOMINAL IN, outside_diameter: 1.281 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN, material_diameter: 0.063 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-350-3413, 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
A235543
NSN: 5325-00-350-3413
FSC: 5325
CAGE: 00000
SPECIFICATIONS
materialSTEEL UNS K08500
ring_styleHOOKED WIRE
usage_designINTERNAL
inside_diameter1.156 INCHES NOMINAL IN
outside_diameter1.281 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
material_diameter0.063 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleROUND
material_document_and_classificationQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE
NSN5325-00-350-3413
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A235543 · 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
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL UNS K08500
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE
•
OUTSIDE DIAMETER: 1.281 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 1.156 INCHES NOMINAL IN
•
MATERIAL DIAMETER: 0.063 INCHES NOMINAL IN
•
USAGE DESIGN: INTERNAL
•
RING STYLE: HOOKED WIRE
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLEROUND
MATERIALSTEEL UNS K08500
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE
OUTSIDE DIAMETER1.281 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
INSIDE DIAMETER1.156 INCHES NOMINAL IN
MATERIAL DIAMETER0.063 INCHES NOMINAL IN
USAGE DESIGNINTERNAL
RING STYLEHOOKED WIRE
CASEHARDENING INDICATORNOT CASEHARDENED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
20955Interchangeable
interchangeable cross-reference
interchangeable
13026360Interchangeable
interchangeable cross-reference
interchangeable
GB520EA12Interchangeable
interchangeable cross-reference
interchangeable
S12SInterchangeable
interchangeable cross-reference
interchangeable
307814R1Interchangeable
interchangeable cross-reference
interchangeable
11996Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A235543?
A235543 is a RING,RETAINING.
What parts can replace A235543?
There are 9 known substitutes for A235543: 20955, 13026360, GB520EA12 and 6 more. Substitute compatibility should be verified for your specific system.
Is A235543 still available?
A235543 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026