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4079170 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4079170: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, outside_diameter: 18.702 INCHES MINIMUM AND 19.102 INCHES MAXIMUM IN, special_features: RING IS SPLIT-HALF A CIRCLE, casehardening_indicator: NOT CASEHARDENED. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-322-3776, 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
4079170
NSN: 5325-01-322-3776
FSC: 5325 — Fastening Devices
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialNICKEL ALLOY
outside_diameter18.702 INCHES MINIMUM AND 19.102 INCHES MAXIMUM IN
special_featuresRING IS SPLIT-HALF A CIRCLE
casehardening_indicatorNOT CASEHARDENED
NSN5325-01-322-3776
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4079170 · 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
•
OUTSIDE DIAMETER: 18.702 INCHES MINIMUM AND 19.102 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER18.702 INCHES MINIMUM AND 19.102 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
SPECIAL FEATURESRING IS SPLIT-HALF A CIRCLE
MATERIALNICKEL ALLOY
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 1
4077047Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4079170?
4079170 is a RING,RETAINING.
What parts can replace 4079170?
There is 1 known substitute for 4079170: 4077047. Substitute compatibility should be verified for your specific system.
What is the NSN for 4079170?
4079170 is cataloged in the U.S. Government catalog under NSN 5325-01-322-3776. 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.