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4HB994 — HANDLE,MANUAL CONTROL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4HB994: HANDLE,MANUAL CONTROL.

The HANDLE,MANUAL CONTROL is a the manufacturer industrial component. Key specifications include handle_height: 1.250 INCHES NOMINAL IN, overall_length: 6.875 INCHES NOMINAL IN, mounting_method: SQUARE HOLES, special_features: THICKNESS 0.500 INCHES IN, style_designator: LEVER, end_item_identification: 3990-01-444-6174; DISTRIBUTOR, BITUM. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-541-2905, 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
4HB994
NSN: 5340-01-541-2905
FSC: 5340 — Hardware, Commercial
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
handle_height1.250 INCHES NOMINAL IN
overall_length6.875 INCHES NOMINAL IN
mounting_methodSQUARE HOLES
special_featuresTHICKNESS 0.500 INCHES IN
style_designatorLEVER
end_item_identification3990-01-444-6174; DISTRIBUTOR, BITUM
part_name_assigned_by_controlling_agencyHANDLE-VALVE, HANDSPRAY, OFFSET
NSN5340-01-541-2905
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4HB994 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
•
HANDLE HEIGHT: 1.250 INCHES NOMINAL IN
•
MOUNTING METHOD: SQUARE HOLES
•
STYLE DESIGNATOR: LEVER
TECHNICAL CHARACTERISTICS
HANDLE HEIGHT1.250 INCHES NOMINAL IN
MOUNTING METHODSQUARE HOLES
STYLE DESIGNATORLEVER
OVERALL LENGTH6.875 INCHES NOMINAL IN
SPECIAL FEATURESTHICKNESS 0.500 INCHES IN
PART NAME ASSIGNED BY CONTROLLING AGENCYHANDLE-VALVE, HANDSPRAY, OFFSET
END ITEM IDENTIFICATION3990-01-444-6174; DISTRIBUTOR, BITUM
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
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 4HB994?
4HB994 is a HANDLE,MANUAL CONTROL.
What is the NSN for 4HB994?
4HB994 is cataloged in the U.S. Government catalog under NSN 5340-01-541-2905. 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.