PartsTable
Technical Data Sheet
Download PDF

174092 — BALL,CHECK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

174092: BALL,CHECK.

The BALL,CHECK is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, end_item_identification: C-17 AIRCRAFT; U/O DC10, DC10, & C17, valve_design_control_activity: 92003, valve_size_for_which_designed: 3.000 INCHES IN, criticality_code_justification: AGAV, valve_model_number_for_which_designed: 2720120. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-254-1440, 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
174092
NSN: 5340-01-254-1440
NIINs: 012541440, 014972993
FSC: 5340 — Hardware, Commercial
CAGE: 21877 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
end_item_identificationC-17 AIRCRAFT; U/O DC10, DC10, & C17
valve_design_control_activity92003
valve_size_for_which_designed3.000 INCHES IN
criticality_code_justificationAGAV
valve_model_number_for_which_designed2720120
NSN5340-01-254-1440
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 174092 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
•
LEFT END CHAMFER ANGLE: 45.0 DEGREES NOMINAL
•
LEFT COUNTERBORE DEPTH: 1.000 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 2.000 INCHES NOMINAL IN
•
LENGTH: 4.000 INCHES NOMINAL IN
•
RIGHT END CHAMFER DEPTH: 0.020 INCHES NOMINAL IN
•
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT INTERNAL THREADS
•
RIGHT COUNTERBORE DEPTH: 1.000 INCHES NOMINAL IN
•
LEFT COUNTERBORE DIAMETER: 0.750 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
LEFT END CHAMFER ANGLE45.0 DEGREES NOMINAL
LEFT COUNTERBORE DEPTH1.000 INCHES NOMINAL IN
WIDTH ACROSS FLATS2.000 INCHES NOMINAL IN
LENGTH4.000 INCHES NOMINAL IN
RIGHT END CHAMFER DEPTH0.020 INCHES NOMINAL IN
STYLE DESIGNATORLEFT INTERNAL AND RIGHT INTERNAL THREADS
RIGHT COUNTERBORE DEPTH1.000 INCHES NOMINAL IN
LEFT COUNTERBORE DIAMETER0.750 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
RIGHT END CHAMFER ANGLE45.0 DEGREES NOMINAL
CROSS-SECTIONAL SHAPERECTANGULAR
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 174092?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 174092?
174092 is a BALL,CHECK.
What is the NSN for 174092?
174092 is cataloged in the U.S. Government catalog under NSN 5340-01-254-1440. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 174092

✓ 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.