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4HB949 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4HB949: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include overall_width: 6.625 INCHES NOMINAL IN, overall_length: 9.250 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, end_item_identification: 3990-01-444-6174 BITUM DISTRIBUTOR, part_name_assigned_by_controlling_agency: GASKET-PUMP-STRAINER BOX, SAM, outside_edge_to_bolt_hole_center_distance_along_width: 1.062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-540-8774, 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
4HB949
NSN: 5330-01-540-8774
FSC: 5330 — Packing and Gasket Materials
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
overall_width6.625 INCHES NOMINAL IN
overall_length9.250 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
bolt_hole_quantity8
end_item_identification3990-01-444-6174 BITUM DISTRIBUTOR
part_name_assigned_by_controlling_agencyGASKET-PUMP-STRAINER BOX, SAM
outside_edge_to_bolt_hole_center_distance_along_width1.062 INCHES NOMINAL IN
outside_edge_to_bolt_hole_center_distance_along_length1.625 INCHES NOMINAL IN
center_to_center_distance_between_bolt_holes_along_length3.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
NSN5330-01-540-8774
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4HB949 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
•
STYLE DESIGNATOR: NON-CIRCULAR
•
BOLT HOLE QUANTITY: 8
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH: 3.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH: 1.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORNON-CIRCULAR
OVERALL LENGTH9.250 INCHES NOMINAL IN
OVERALL WIDTH6.625 INCHES NOMINAL IN
BOLT HOLE QUANTITY8
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH3.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH1.625 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYGASKET-PUMP-STRAINER BOX, SAM
END ITEM IDENTIFICATION3990-01-444-6174 BITUM DISTRIBUTOR
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG WIDTH1.062 INCHES NOMINAL IN
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4HB949?
4HB949 is a GASKET.
What is the NSN for 4HB949?
4HB949 is cataloged in the U.S. Government catalog under NSN 5330-01-540-8774. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.