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4HC0112-25 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4HC0112-25: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER, hole_diameter: 0.749 INCHES MINIMUM AND 0.756 INCHES MAXIMUM IN, overall_width: 1.570 INCHES MINIMUM AND 1.590 INCHES MAXIMUM IN, overall_height: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, overall_length: 1.630 INCHES MINIMUM AND 1.650 INCHES MAXIMUM IN, special_features: LENGTH OF SLOT IS 1.020 TO 1.040 CENTERED ON HOLE GOING WIDTH WAY. MATERIAL IS GP105F2A1.

WIDTH OF SLOT 0.220 TO 0.240. This part is cataloged in the U.S. Government catalog under NSN 5340-01-479-6538, 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
4HC0112-25
NSN: 5340-01-479-6538
FSC: 5340 — Hardware, Commercial
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialRUBBER
hole_diameter0.749 INCHES MINIMUM AND 0.756 INCHES MAXIMUM IN
overall_width1.570 INCHES MINIMUM AND 1.590 INCHES MAXIMUM IN
overall_height0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
overall_length1.630 INCHES MINIMUM AND 1.650 INCHES MAXIMUM IN
special_featuresLENGTH OF SLOT IS 1.020 TO 1.040 CENTERED ON HOLE GOING WIDTH WAY. MATERIAL IS GP105F2A1. WIDTH OF SLOT 0.220 TO 0.240
style_designatorRECTANGULAR
NSN5340-01-479-6538
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4HC0112-25 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: RECTANGULAR
•
MATERIAL: RUBBER
•
HOLE DIAMETER: 0.749 INCHES MINIMUM AND 0.756 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
STYLE DESIGNATORRECTANGULAR
OVERALL LENGTH1.630 INCHES MINIMUM AND 1.650 INCHES MAXIMUM IN
OVERALL WIDTH1.570 INCHES MINIMUM AND 1.590 INCHES MAXIMUM IN
SPECIAL FEATURESLENGTH OF SLOT IS 1.020 TO 1.040 CENTERED ON HOLE GOING WIDTH WAY. MATERIAL IS GP105F2A1. WIDTH OF SLOT 0.220 TO 0.240
MATERIALRUBBER
HOLE DIAMETER0.749 INCHES MINIMUM AND 0.756 INCHES MAXIMUM IN
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: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4HC0112-25?
4HC0112-25 is a BUMPER.
What is the NSN for 4HC0112-25?
4HC0112-25 is cataloged in the U.S. Government catalog under NSN 5340-01-479-6538. 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.