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791728-1 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

791728-1: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 1.168 INCHES NOMINAL IN, special_features: INCLUDED WITH INSERT,SCREW THREAD-MS21209C0615, style_designator: PROJECTION ONE END, width_across_flats: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, cross-sectional_shape: HEXAGON. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-280-7116, 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
791728-1
NSN: 5340-01-280-7116
FSC: 5340 — Hardware, Commercial
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
length1.168 INCHES NOMINAL IN
special_featuresINCLUDED WITH INSERT,SCREW THREAD-MS21209C0615
style_designatorPROJECTION ONE END
width_across_flats0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
cross-sectional_shapeHEXAGON
NSN5340-01-280-7116
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 791728-1 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
•
WIDTH ACROSS FLATS: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
•
LENGTH: 1.168 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PROJECTION ONE END
•
CROSS-SECTIONAL SHAPE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
LENGTH1.168 INCHES NOMINAL IN
STYLE DESIGNATORPROJECTION ONE END
CROSS-SECTIONAL SHAPEHEXAGON
SPECIAL FEATURESINCLUDED WITH INSERT,SCREW THREAD-MS21209C0615
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
10163940Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 791728-1?
791728-1 is a STANDOFF,THREADED,SPACING.
What parts can replace 791728-1?
There is 1 known substitute for 791728-1: 10163940. Substitute compatibility should be verified for your specific system.
What is the NSN for 791728-1?
791728-1 is cataloged in the U.S. Government catalog under NSN 5340-01-280-7116. 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.