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17A371879 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

17A371879: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, special_features: SIXTY DEG ANGLE V SLOT ON 6.812 IN. DIA0.594 IN.

DEEP TO 0.250 IN.RADIUS IN, surface_treatment: DICHROMATE ZINC OVERALL, peripheral_diameter: 7.500 INCHES NOMINAL IN, body_recess_diameter: 6.812 INCHES NOMINAL IN, center_hole_diameter: 1.250 INCHES MINIMUM AND 1.255 INCHES MAXIMUM IN. This part is cataloged in the U.S. Government catalog under NSN 5330-00-528-2512, 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
17A371879
NSN: 5330-00-528-2512
FSC: 5330 — Packing and Gasket Materials
CAGE: 23382 — FWD SEAGRAVE HOLDINGS LP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
special_featuresSIXTY DEG ANGLE V SLOT ON 6.812 IN. DIA0.594 IN. DEEP TO 0.250 IN.RADIUS IN
surface_treatmentDICHROMATE ZINC OVERALL
peripheral_diameter7.500 INCHES NOMINAL IN
body_recess_diameter6.812 INCHES NOMINAL IN
center_hole_diameter1.250 INCHES MINIMUM AND 1.255 INCHES MAXIMUM IN
cross-sectional_height0.302 INCHES NOMINAL IN
cross-sectional_shape_styleFLANGE
NSN5330-00-528-2512
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 17A371879 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.302 INCHES NOMINAL IN
•
BODY RECESS DIAMETER: 6.812 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: FLANGE
•
PERIPHERAL DIAMETER: 7.500 INCHES NOMINAL IN
•
SURFACE TREATMENT: DICHROMATE ZINC OVERALL
•
CENTER HOLE DIAMETER: 1.250 INCHES MINIMUM AND 1.255 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.302 INCHES NOMINAL IN
BODY RECESS DIAMETER6.812 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEFLANGE
PERIPHERAL DIAMETER7.500 INCHES NOMINAL IN
SPECIAL FEATURESSIXTY DEG ANGLE V SLOT ON 6.812 IN. DIA0.594 IN. DEEP TO 0.250 IN.RADIUS IN
SURFACE TREATMENTDICHROMATE ZINC OVERALL
CENTER HOLE DIAMETER1.250 INCHES MINIMUM AND 1.255 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 2
371879Reference document
Same NSN cross-reference
Reference document — Secondary reference
2156858Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 17A371879?
17A371879 is a RETAINER,PACKING.
What parts can replace 17A371879?
There are 2 known substitutes for 17A371879: 371879, 2156858. Substitute compatibility should be verified for your specific system.
What is the NSN for 17A371879?
17A371879 is cataloged in the U.S. Government catalog under NSN 5330-00-528-2512. 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.