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210051B1 — CAP,FILLER OPENING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

210051B1: CAP,FILLER OPENING.

The CAP,FILLER OPENING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thread_length: 0.312 INCHES NOMINAL IN, overall_height: 1.260 INCHES NOMINAL IN, thread_diameter: 1.250 INCHES NOMINAL IN, outside_diameter: 1.469 INCHES NOMINAL IN, special_features: FURNISHED W/ONE INTERNAL THD HOLE 0.190-24 UNC,0.490 IN. DEPTH IN.

This part is cataloged in the U.S. Government catalog under NSN 5340-01-115-6742, 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
210051B1
NSN: 5340-01-115-6742
FSC: 5340 — Hardware, Commercial
CAGE: 8FGX3 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DBA STEAM & AIR SOLUTIONS DIV CURTISS-WRIGHT STEAM AND AIR SOLUTIONS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_length0.312 INCHES NOMINAL IN
overall_height1.260 INCHES NOMINAL IN
thread_diameter1.250 INCHES NOMINAL IN
outside_diameter1.469 INCHES NOMINAL IN
special_featuresFURNISHED W/ONE INTERNAL THD HOLE 0.190-24 UNC,0.490 IN. DEPTH IN
style_designatorNON-VENTED THREADED TYPE (EXTERNAL)
accommodation_typeWING GRIP END GRIPPING
thread_series_designatorNPT
system_for_which_designedNONPRESSURIZED
NSN5340-01-115-6742
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 210051B1 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
•
ACCOMMODATION TYPE: WING GRIP END GRIPPING
•
THREAD LENGTH: 0.312 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-VENTED THREADED TYPE (EXTERNAL)
•
THREAD DIAMETER: 1.250 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.469 INCHES NOMINAL IN
•
SYSTEM FOR WHICH DESIGNED: NONPRESSURIZED
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.260 INCHES NOMINAL IN
ACCOMMODATION TYPEWING GRIP END GRIPPING
THREAD LENGTH0.312 INCHES NOMINAL IN
STYLE DESIGNATORNON-VENTED THREADED TYPE (EXTERNAL)
THREAD DIAMETER1.250 INCHES NOMINAL IN
OUTSIDE DIAMETER1.469 INCHES NOMINAL IN
SYSTEM FOR WHICH DESIGNEDNONPRESSURIZED
SPECIAL FEATURESFURNISHED W/ONE INTERNAL THD HOLE 0.190-24 UNC,0.490 IN. DEPTH IN
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORNPT
SUBSTITUTES & CROSS-REFERENCES 5
200114L PC808Reference document
Same NSN cross-reference
Reference document — Secondary reference
200114LReference document
Same NSN cross-reference
Reference document — Drawing number reference only
3007455Reference document
Same NSN cross-reference
Reference document — Secondary reference
156407PC10Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
3008BReference document
Same NSN cross-reference
Reference document — Secondary reference
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 210051B1?
210051B1 is a CAP,FILLER OPENING.
What parts can replace 210051B1?
There are 5 known substitutes for 210051B1: 200114L PC808, 200114L, 3007455 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 210051B1?
210051B1 is cataloged in the U.S. Government catalog under NSN 5340-01-115-6742. 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.