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Technical Data Sheet

M8791/1-013 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M8791/1-013: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include end_item_identification: MANIFOLD, QUIET AIR REDUCING., departure_from_cited_document: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D, criticality_code_justification: ZZZW. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-351-7973, 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
M8791/1-013
NSN: 5330-01-351-7973
NIINs: 013517973, 015518748
FSC: 5330 — Packing and Gasket Materials
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
end_item_identificationMANIFOLD, QUIET AIR REDUCING.
departure_from_cited_documentCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
criticality_code_justificationZZZW
NSN5330-01-351-7973
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M8791/1-013 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: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-8791/1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
PERIPHERAL DIAMETER: 0.544 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.437 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
•
JOINT TYPE: SCARF-PERIPHERAL BOTH ENDS CUT
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-8791/1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
PERIPHERAL DIAMETER0.544 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.437 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
JOINT TYPESCARF-PERIPHERAL BOTH ENDS CUT
SUBSTITUTES & CROSS-REFERENCES 9
21418-400 FIND 15Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AS8791/1Reference document
Same NSN cross-reference
Reference document — Secondary reference
21471-400 FIND 31Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
21780-400 FIND 23Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
52106 FIND 79Reference document
Same NSN cross-reference
Reference document — Secondary reference
21486-400 FN 8Reference 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 M8791/1-013?
M8791/1-013 is a RETAINER,PACKING.
What parts can replace M8791/1-013?
There are 9 known substitutes for M8791/1-013: 21418-400 FIND 15, AS8791/1, 21471-400 FIND 31 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M8791/1-013?
M8791/1-013 is cataloged in the U.S. Government catalog under NSN 5330-01-351-7973. This indicates validated use in U.S. government and defense supply chains.
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