PartsTable
Technical Data Sheet
Download PDF

27950-56 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

27950-56: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include end_item_identification: 6605-01-155-8326 HORIZONTAL INDICATOR. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-582-1561, 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
27950-56
NSN: 5331-00-582-1561
NIINs: 005821561, 011837077
FSC: 5331 — O-ring
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
end_item_identification6605-01-155-8326 HORIZONTAL INDICATOR
NSN5331-00-582-1561
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 27950-56 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
•
TEMP RATING: 275.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 5.476 INCHES MINIMUM AND 5.574 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE
•
CENTER HOLE DIAMETER: 4.960 INCHES MINIMUM AND 4.990 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
TEMP RATING275.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
OUTSIDE DIAMETER5.476 INCHES MINIMUM AND 5.574 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE
CENTER HOLE DIAMETER4.960 INCHES MINIMUM AND 4.990 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 8
MS28775-429Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
J-3E48837 PIECE 48Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2300-79244Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2-429 N304-75Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
7302Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5330005821561Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
Ready to buy 27950-56?
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 27950-56?
27950-56 is a O-RING.
What parts can replace 27950-56?
There are 8 known substitutes for 27950-56: MS28775-429, J-3E48837 PIECE 48, 2300-79244 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 27950-56?
27950-56 is cataloged in the U.S. Government catalog under NSN 5331-00-582-1561. 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 — 27950-56