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31-00100 — 31-00100

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

31-00100: 31-00100.

The 31-00100 is a the manufacturer industrial component. Key specifications include material: UNABLE TO DECODE, outside_diameter: 0.562 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN, style_designator: CIRCULAR, aperture_diameter: 0.500 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN, surface_treatment: UNABLE TO DECODE, cross-sectional_height: 0.125 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-263-5865, 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
MRO→ MRO_GENERAL→ 31-00100
NSN: 5325-00-263-5865
NIINs: 002635865, 008295475, 010164939, 010587992, 012758959
FSC: 5325 — Fastening Devices
CAGE: 97464 — TRUARC CO LLC (USA)
SPECIFICATIONS
materialUNABLE TO DECODE
outside_diameter0.562 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN
style_designatorCIRCULAR
aperture_diameter0.500 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
surface_treatmentUNABLE TO DECODE
cross-sectional_height0.125 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
cross-sectional_shape_styleEMI
material_document_and_classificationUNABLE TO DECODE
environmental_protection_material_locationTHROUGHOUT RF SHIELDING GASKET
surface_treatment_document_and_classificationUNABLE TO DECODE
NSN5325-00-263-5865
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 31-00100 · 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 HARDNESS RATING: 47.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
•
USAGE DESIGN: EXTERNAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66,FS-1066 TO FS-1090 FED STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MAJOR THICKNESS: 0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 0.935 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: EXTERNAL
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING47.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
USAGE DESIGNEXTERNAL
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66,FS-1066 TO FS-1090 FED STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MAJOR THICKNESS0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN
INSIDE DIAMETER0.935 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEEXTERNAL
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 10
CV34S1601-364375PC296Reference document
Same NSN cross-reference
Reference document — Secondary reference
51-100Reference document
Same NSN cross-reference
Reference document — Secondary reference
51X100Reference document
Same NSN cross-reference
Reference document — Secondary reference
AE2712-296Reference document
Same NSN cross-reference
Reference document — Secondary reference
6089Reference document
Same NSN cross-reference
Reference document — Secondary reference
DR2815PC30Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 31-00100?
31-00100 is a 31-00100. It is classified as a MRO (MRO_GENERAL).
What parts can replace 31-00100?
There are 10 known substitutes for 31-00100: CV34S1601-364375PC296, 51-100, 51X100 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31-00100?
31-00100 is cataloged in the U.S. Government catalog under NSN 5325-00-263-5865. 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.