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12887 — STOP,PACKING RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12887: STOP,PACKING RING.

The STOP,PACKING RING is a the manufacturer industrial component. Key specifications include end_style: ONE HOOK END OVERALL, coil_quantity: 2-1/4, inside_diameter: 0.125 INCHES NOMINAL IN, style_designator: SINGLE TORSION LEFT HAND, surface_treatment: ZINC OR CHROMATE OVERALL, spring_free_length: 0.078 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-358-9872, 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
12887
NSN: 5330-00-358-9872
NIINs: 003589872, 003994326, 005262692, 013723767
FSC: 5330 — Packing and Gasket Materials
CAGE: 04285 — ATHEY PRODUCTS CORP (USA)
SPECIFICATIONS
end_styleONE HOOK END OVERALL
coil_quantity2-1/4
inside_diameter0.125 INCHES NOMINAL IN
style_designatorSINGLE TORSION LEFT HAND
surface_treatmentZINC OR CHROMATE OVERALL
spring_free_length0.078 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND
end_angular_relationshipENDS ANGLED ONE TO OTHER
end_length_from_second_bend_to_third_bend_or_end0.078 INCHES NOMINAL OVERALL IN
NSN5330-00-358-9872
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12887 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 THICKNESS: 0.006 INCHES NOMINAL IN
•
GASKET CENTER TO FLAT DISTANCE: 7.438 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
BOLT CIRCLE DIAMETER: 14.250 INCHES NOMINAL IN
•
MATERIAL: CELLULOSE OVERALL
•
HOLE DIAMETER: 0.468 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.006 INCHES NOMINAL IN
GASKET CENTER TO FLAT DISTANCE7.438 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
BOLT CIRCLE DIAMETER14.250 INCHES NOMINAL IN
MATERIALCELLULOSE OVERALL
HOLE DIAMETER0.468 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES 7
2208H112Reference document
Same NSN cross-reference
Reference document — Secondary reference
11347105Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
58D5Reference document
Same NSN cross-reference
Reference document — Secondary reference
093629Reference document
Same NSN cross-reference
Reference document — Secondary reference
6248709Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
T2208H112Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12887?
12887 is a STOP,PACKING RING.
What parts can replace 12887?
There are 7 known substitutes for 12887: 2208H112, 11347105, 58D5 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12887?
12887 is cataloged in the U.S. Government catalog under NSN 5330-00-358-9872. This indicates validated use in U.S. government and defense supply chains.
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