PartsTable
Technical Data Sheet

M8791/1-331 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M8791/1-331: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include cut_type: DIAGONAL OVERALL, material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, joint_type: SCARF-BUTT OVERALL, peripheral_diameter: 2.611 INCHES MINIMUM AND 2.617 INCHES MAXIMUM IN, center_hole_diameter: 2.247 INCHES MINIMUM AND 2.249 INCHES MAXIMUM IN, cross-sectional_height: 0.056 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-462-1358, 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
M8791/1-331
NSN: 5330-01-462-1358
FSC: 5330 — Packing and Gasket Materials
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
cut_typeDIAGONAL OVERALL
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
joint_typeSCARF-BUTT OVERALL
peripheral_diameter2.611 INCHES MINIMUM AND 2.617 INCHES MAXIMUM IN
center_hole_diameter2.247 INCHES MINIMUM AND 2.249 INCHES MAXIMUM IN
cross-sectional_height0.056 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
material_document_and_classificationAS8791/1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-462-1358
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M8791/1-331 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: 0.056 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AS8791/1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
CUT TYPE: DIAGONAL OVERALL
•
PERIPHERAL DIAMETER: 2.611 INCHES MINIMUM AND 2.617 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 2.247 INCHES MINIMUM AND 2.249 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.056 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAS8791/1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
CUT TYPEDIAGONAL OVERALL
PERIPHERAL DIAMETER2.611 INCHES MINIMUM AND 2.617 INCHES MAXIMUM IN
SPECIAL FEATURESSCARF (DIAGONAL) CUT WIDTH, MIN 0.000 INCH TO MAX 0.006 INCH; DIRECTION (ANGLE IN DEG) OF SCARF CUT IS OPTIONAL; USED IN PACKING GROOVES CONFORMING TO MIL-G-5514 AND MIL-P-5514C, D, AND E REVISIONS IN
CENTER HOLE DIAMETER2.247 INCHES MINIMUM AND 2.249 INCHES MAXIMUM IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
JOINT TYPESCARF-BUTT 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 4
845-7108795 ITEM 19Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2643-820-12 ITEM 19Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
AS8791/1-331Reference document
Same NSN cross-reference
Reference document — Secondary reference
SAE-AS8791/1Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy M8791/1-331?
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 M8791/1-331?
M8791/1-331 is a RETAINER,PACKING.
What parts can replace M8791/1-331?
There are 4 known substitutes for M8791/1-331: 845-7108795 ITEM 19, 2643-820-12 ITEM 19, AS8791/1-331 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M8791/1-331?
M8791/1-331 is cataloged in the U.S. Government catalog under NSN 5330-01-462-1358. 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 — M8791/1-331