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8407492 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8407492: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR OVERALL, hardness_rating: 60.0 SHORE DUROMETER A NOMINAL OVERALL, rim_surface_width: 0.279 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN, peripheral_diameter: 2.592 INCHES MINIMUM AND 2.595 INCHES MAXIMUM IN, center_hole_diameter: 1.500 INCHES NOMINAL IN, fsc_application_data: RECOIL MECHANISM,HOWITZER,155MM MM. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-862-3074, 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
8407492
NSN: 5330-00-862-3074
FSC: 5330 — Packing and Gasket Materials
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
materialRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR OVERALL
hardness_rating60.0 SHORE DUROMETER A NOMINAL OVERALL
rim_surface_width0.279 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
peripheral_diameter2.592 INCHES MINIMUM AND 2.595 INCHES MAXIMUM IN
center_hole_diameter1.500 INCHES NOMINAL IN
fsc_application_dataRECOIL MECHANISM,HOWITZER,155MM MM
cross-sectional_height0.437 INCHES NOMINAL IN
cross-sectional_shape_styleSPECIAL
flanged_body_outside_diameter2.245 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN
criticality_code_justificationADVT AND ADVX
material_document_and_classificationMIL-R-1149,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-862-3074
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8407492 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
•
FSC APPLICATION DATA: RECOIL MECHANISM,HOWITZER,155MM MM
•
CROSS-SECTIONAL HEIGHT: 0.437 INCHES NOMINAL IN
•
HARDNESS RATING: 60.0 SHORE DUROMETER A NOMINAL OVERALL
•
CRITICALITY CODE JUSTIFICATION: ADVT AND ADVX
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-1149,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
RIM SURFACE WIDTH: 0.279 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
•
FLANGED BODY OUTSIDE DIAMETER: 2.245 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATARECOIL MECHANISM,HOWITZER,155MM MM
CROSS-SECTIONAL HEIGHT0.437 INCHES NOMINAL IN
HARDNESS RATING60.0 SHORE DUROMETER A NOMINAL OVERALL
CRITICALITY CODE JUSTIFICATIONADVT AND ADVX
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-1149,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
RIM SURFACE WIDTH0.279 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESPECIAL
FLANGED BODY OUTSIDE DIAMETER2.245 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN
PERIPHERAL DIAMETER2.592 INCHES MINIMUM AND 2.595 INCHES MAXIMUM IN
COLORBLACK
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8407492?
8407492 is a PACKING,PREFORMED.
What is the NSN for 8407492?
8407492 is cataloged in the U.S. Government catalog under NSN 5330-00-862-3074. This indicates validated use in U.S. government and defense supply chains.
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