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BPF-1 — CAP-PLUG,PROTECTIVE,DUST AND MOI

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

BPF-1: CAP-PLUG,PROTECTIVE,DUST AND MOI.

CAP-PLUG,PROTECTIVE,DUST AND MOI. Key specifications include material: PLASTIC, POLYETHYLENE (PP), design_type: FRICTION, overall_diameter: 1.370 INCHES NOMINAL IN, special_features: COLOR BLACK, features_provided: BEVELED SEAT, length_under_shoulder: 0.120 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-453-9351, 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
BPF-1
NSN: 5340-00-453-9351
NIINs: 004539351, 012560503
FSC: 5340 — Hardware, Commercial
CAGE: 99017 — CAPLUGS LLC DBA MOKON DIV CAPLUGS (USA)
SPECIFICATIONS
materialPLASTIC, POLYETHYLENE (PP)
design_typeFRICTION
overall_diameter1.370 INCHES NOMINAL IN
special_featuresCOLOR BLACK
features_providedBEVELED SEAT
length_under_shoulder0.120 INCHES NOMINAL IN
open_end_inside_diameter0.840 INCHES NOMINAL IN
closed_end_overall_diameter1.370 INCHES NOMINAL IN
opening_inside_diameter_for_which_designed1.040 INCHES NOMINAL IN
NSN5340-00-453-9351
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BPF-1 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: 1.370 INCHES NOMINAL IN
•
LENGTH UNDER SHOULDER: 0.120 INCHES NOMINAL IN
•
OPEN END INSIDE DIAMETER: 0.840 INCHES NOMINAL IN
•
MATERIAL: PLASTIC, POLYETHYLENE (PP)
TECHNICAL CHARACTERISTICS
CLOSED END OVERALL DIAMETER1.370 INCHES NOMINAL IN
LENGTH UNDER SHOULDER0.120 INCHES NOMINAL IN
OPEN END INSIDE DIAMETER0.840 INCHES NOMINAL IN
MATERIALPLASTIC, POLYETHYLENE (PP)
SUBSTITUTES & CROSS-REFERENCES 2
5340004539351Reference document
Same NSN cross-reference
Reference document — Secondary reference
11621624Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 BPF-1?
BPF-1 is a CAP-PLUG,PROTECTIVE,DUST AND MOI.
What parts can replace BPF-1?
There are 2 known substitutes for BPF-1: 5340004539351, 11621624. Substitute compatibility should be verified for your specific system.
What is the NSN for BPF-1?
BPF-1 is cataloged in the U.S. Government catalog under NSN 5340-00-453-9351. 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.