PartsTable
Technical Data Sheet
WH-81 ✓ 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, ring_style: SPECIAL FLAT, usage_design: INTERNAL, inside_diameter: 0.723 INCHES NOMINAL IN, major_thickness: 0.030 INCHES NOMINAL IN, strength_rating: ERR-060. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-598-1196, 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
WH-81
NSN: 5325-00-598-1196
FSC: 5325
CAGE: 51814 — SMALLEY STEEL RING CO. (USA)
SPECIFICATIONS
materialSTEEL
ring_styleSPECIAL FLAT
usage_designINTERNAL
inside_diameter0.723 INCHES NOMINAL IN
major_thickness0.030 INCHES NOMINAL IN
strength_ratingERR-060
outside_diameter0.853 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating64.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.8 ROCKWELL SUPERFICIAL 30-N MAXIMUM
cross-sectional_shape_styleDOUBLE OVAL
material_document_and_classificationSAE 1070-1090 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-598-1196
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: WH-81 · 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
MATERIAL: STEEL
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1070-1090 ASSN STD SINGLE MATERIAL RESPONSE
RING STYLE: SPECIAL FLAT
INSIDE DIAMETER: 0.723 INCHES NOMINAL IN
STRENGTH RATING: ERR-060
MATERIAL HARDNESS RATING: 64.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.8 ROCKWELL SUPERFICIAL 30-N MAXIMUM
USAGE DESIGN: INTERNAL
OUTSIDE DIAMETER: 0.853 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1070-1090 ASSN STD SINGLE MATERIAL RESPONSE
RING STYLESPECIAL FLAT
INSIDE DIAMETER0.723 INCHES NOMINAL IN
STRENGTH RATINGERR-060
MATERIAL HARDNESS RATING64.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.8 ROCKWELL SUPERFICIAL 30-N MAXIMUM
USAGE DESIGNINTERNAL
OUTSIDE DIAMETER0.853 INCHES NOMINAL IN
MAJOR THICKNESS0.030 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
F10Interchangeable
interchangeable cross-reference
interchangeable
281478-13Interchangeable
interchangeable cross-reference
interchangeable
S7Interchangeable
interchangeable cross-reference
interchangeable
46925Interchangeable
interchangeable cross-reference
interchangeable
CL26A7701-27Interchangeable
Same NIIN cross-reference
interchangeable
6726656-81Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WH-81?
WH-81 is a RING,RETAINING.
What parts can replace WH-81?
There are 7 known substitutes for WH-81: F10, 281478-13, S7 and 4 more. Substitute compatibility should be verified for your specific system.
Is WH-81 still available?
WH-81 is currently cancelled.
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