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7740130 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

7740130: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, end_style: VERTEX CENTER OR ABOVE, ring_style: STRAIGHT GAP, usage_design: EXTERNAL, inside_diameter: 1.237 INCHES MINIMUM AND 1.257 INCHES MAXIMUM IN, major_thickness: 0.086 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-774-0130, 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
7740130
NSN: 5325-00-774-0130
FSC: 5325 — Fastening Devices
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL
end_styleVERTEX CENTER OR ABOVE
ring_styleSTRAIGHT GAP
usage_designEXTERNAL
inside_diameter1.237 INCHES MINIMUM AND 1.257 INCHES MAXIMUM IN
major_thickness0.086 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN
outside_diameter1.529 INCHES MINIMUM AND 1.589 INCHES MAXIMUM IN
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating48.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-S-640,FS1060 TO FS1065 FED SPEC SINGLE MATERIAL RESPONSE
NSN5325-00-774-0130
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 7740130 · 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: 48.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
•
USAGE DESIGN: EXTERNAL
•
END STYLE: VERTEX CENTER OR ABOVE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-640,FS1060 TO FS1065 FED SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 1.529 INCHES MINIMUM AND 1.589 INCHES MAXIMUM IN
•
MAJOR THICKNESS: 0.086 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 1.237 INCHES MINIMUM AND 1.257 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING48.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
USAGE DESIGNEXTERNAL
END STYLEVERTEX CENTER OR ABOVE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-640,FS1060 TO FS1065 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER1.529 INCHES MINIMUM AND 1.589 INCHES MAXIMUM IN
MAJOR THICKNESS0.086 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN
INSIDE DIAMETER1.237 INCHES MINIMUM AND 1.257 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESTRAIGHT GAP
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES 2
5365007740130Reference document
Same NSN cross-reference
Reference document — Informative reference only
CS-2300-0001Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7740130?
7740130 is a RING,RETAINING.
What parts can replace 7740130?
There are 2 known substitutes for 7740130: 5365007740130, CS-2300-0001. Substitute compatibility should be verified for your specific system.
What is the NSN for 7740130?
7740130 is cataloged in the U.S. Government catalog under NSN 5325-00-774-0130. 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.