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WF-41 — GUIDED MISSILE,INTERCEPT-AERIAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

WF-41: GUIDED MISSILE,INTERCEPT-AERIAL.

GUIDED MISSILE,INTERCEPT-AERIAL. Key specifications include material: PLASTIC, length_under_shoulder: 1.000 INCHES NOMINAL IN, open_end_inside_diameter: 2.916 INCHES NOMINAL IN, closed_end_overall_diameter: 2.685 INCHES NOMINAL IN, nondefinitive_spec/std_data: NO. NAS816-45-A TYPE.

This part is cataloged in the U.S. Government catalog under NSN 5340-00-817-9049, 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
WF-41
NSN: 5340-00-817-9049
NIINs: 008179049, 017255624
FSC: 5340 — Hardware, Commercial
CAGE: 23540 — NIAGARA PLASTICS L.L.C. (USA)
SPECIFICATIONS
materialPLASTIC
length_under_shoulder1.000 INCHES NOMINAL IN
open_end_inside_diameter2.916 INCHES NOMINAL IN
closed_end_overall_diameter2.685 INCHES NOMINAL IN
nondefinitive_spec/std_dataNO. NAS816-45-A TYPE
NSN5340-00-817-9049
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: WF-41 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
•
CLOSED END OVERALL DIAMETER: 2.685 INCHES NOMINAL IN
•
LENGTH UNDER SHOULDER: 1.000 INCHES NOMINAL IN
•
NONDEFINITIVE SPEC/STD DATA: NO. NAS816-45-A TYPE
•
OPEN END INSIDE DIAMETER: 2.916 INCHES NOMINAL IN
•
MATERIAL: PLASTIC
TECHNICAL CHARACTERISTICS
CLOSED END OVERALL DIAMETER2.685 INCHES NOMINAL IN
LENGTH UNDER SHOULDER1.000 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATANO. NAS816-45-A TYPE
OPEN END INSIDE DIAMETER2.916 INCHES NOMINAL IN
MATERIALPLASTIC
SUBSTITUTES & CROSS-REFERENCES 1
NAS816-268Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is WF-41?
WF-41 is a GUIDED MISSILE,INTERCEPT-AERIAL.
What parts can replace WF-41?
There is 1 known substitute for WF-41: NAS816-268. Substitute compatibility should be verified for your specific system.
What is the NSN for WF-41?
WF-41 is cataloged in the U.S. Government catalog under NSN 5340-00-817-9049. 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.