PartsTable
Technical Data Sheet
Download PDF

1004295 — RING,PISTON

✓ Government record, cited
3M · ORING SEAL
PRODUCT OVERVIEW

1004295: RING,PISTON.

The RING,PISTON is a 3M industrial component. Key specifications include ring_style: CONCENTRIC, end_item_identification: 2320-01-383-2047, cross-sectional_shape_style: PLAIN RECTANGULAR, STRAIGHT FACE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-275-0378, 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
1004295
NSN: 5340-01-275-0378
NIINs: 012750378, 013982004
FSC: 5340 — Hardware, Commercial
CAGE: 9Y580 — L3HARRIS TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
ring_styleCONCENTRIC
end_item_identification2320-01-383-2047
cross-sectional_shape_stylePLAIN RECTANGULAR, STRAIGHT FACE
NSN5340-01-275-0378
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1004295 MFR: 3M ⚠ 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: EF43-3 REP. 5370,EDO CORP MFR REF SINGLE TREATMENT RESPONSE
•
BODY OUTSIDE DIAMETER: 1.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: IRREGULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE
•
MOUNTING HOLE DIAMETER: 0.129 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 0.560 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.300 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONEF43-3 REP. 5370,EDO CORP MFR REF SINGLE TREATMENT RESPONSE
BODY OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
STYLE DESIGNATORIRREGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE
MOUNTING HOLE DIAMETER0.129 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.560 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
SPECIAL FEATURES1.000-12 UNF 2A THD ON OD A
SURFACE TREATMENTPASSIVATE
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
Ready to buy 1004295?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 1004295?
1004295 is a RING,PISTON manufactured by 3M.
What is the NSN for 1004295?
1004295 is cataloged in the U.S. Government catalog under NSN 5340-01-275-0378. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 1004295

✓ 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.