PartsTable
Technical Data Sheet
H054B ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The KEY BLANK is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-936-1807, 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
H054B
NSN: 5340-00-936-1807
FSC: 5340
CAGE: 76914 — OSCO MOTORS CORP (USA)
SPECIFICATIONS
special_featuresBRASS, 1.781 IN. LG.; 0.312 IN. DIA. HEAD; 0.078 IN. THICK; 0.052 IN. WIDE SLOT MILLED ON EA. SIDE AND 0.101 IN. WIDE BY 0.036 IN. DEEP FLAT ALONG ONE EDGE OF ONE SIDE IN
NSN5340-00-936-1807
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H054B 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
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESBRASS, 1.781 IN. LG.; 0.312 IN. DIA. HEAD; 0.078 IN. THICK; 0.052 IN. WIDE SLOT MILLED ON EA. SIDE AND 0.101 IN. WIDE BY 0.036 IN. DEEP FLAT ALONG ONE EDGE OF ONE SIDE IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
NAS843-5Upgraded Successor
successor cross-reference
successor
M5501/8-F4Upgraded Successor
successor cross-reference
successor
MIL-C-5501/8Upgraded Successor
successor cross-reference
successor
18050-0001Upgraded Successor
successor cross-reference
successor
K5Upgraded Successor
successor cross-reference
successor
MSA-11-ZD-2Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H054B?
H054B is a KEY BLANK.
What parts can replace H054B?
There are 15 known substitutes for H054B: NAS843-5, M5501/8-F4, MIL-C-5501/8 and 12 more. Substitute compatibility should be verified for your specific system.
Is H054B still available?
H054B is currently cancelled.
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