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Technical Data Sheet

M8791/1-013CP — BACK-UP RING,PREFORMED PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M8791/1-013CP: BACK-UP RING,PREFORMED PACKING.

The BACK-UP RING,PREFORMED 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 5330-01-060-3432, 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
M8791/1-013CP
NSN: 5330-01-060-3432
NIINs: 010603432, 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
NSN5330-01-060-3432
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M8791/1-013CP 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: 0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
•
CRITICALITY CODE JUSTIFICATION: ZZZW
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
CUT TYPE: DIAGONAL OVERALL
•
DEPARTURE FROM CITED DOCUMENT: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
•
PERIPHERAL DIAMETER: 0.559 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.454 INCHES MINIMUM AND 0.456 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
CRITICALITY CODE JUSTIFICATIONZZZW
MATERIAL DOCUMENT AND CLASSIFICATIONSAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
CUT TYPEDIAGONAL OVERALL
DEPARTURE FROM CITED DOCUMENTCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
PERIPHERAL DIAMETER0.559 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.454 INCHES MINIMUM AND 0.456 INCHES MAXIMUM IN
MATERIALPLASTIC TETRAFLUOROETHYLENE OVERALL
SUBSTITUTES & CROSS-REFERENCES 7
AS8791-013CPSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MS28774-013CPSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
V3D10108 ITEM 39CPSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MS28774-013Reference document
Same NSN cross-reference
Reference document — Secondary reference
AS8791-013Reference 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 statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M8791/1-013CP?
M8791/1-013CP is a BACK-UP RING,PREFORMED PACKING.
What parts can replace M8791/1-013CP?
There are 7 known substitutes for M8791/1-013CP: AS8791-013CP, MS28774-013CP, V3D10108 ITEM 39CP and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M8791/1-013CP?
M8791/1-013CP is cataloged in the U.S. Government catalog under NSN 5330-01-060-3432. This indicates validated use in U.S. government and defense supply chains.
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