PartsTable
Technical Data Sheet
Download PDF

729855-1 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

729855-1: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 1.968 INCHES MINIMUM AND 1.978 INCHES MAXIMUM IN, material: IRON ALLOY 660 STANDOFF, thread_class: 3B LEFT INTERNAL (INCLUDES THRU THREAD), flange_diameter: 0.600 INCHES NOMINAL IN, flange_thickness: 1.274 INCHES MINIMUM AND 1.279 INCHES MAXIMUM IN, style_designator: FLANGED WITH LEFT INTERNAL THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-548-4693, 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
729855-1
NSN: 5340-00-548-4693
FSC: 5340 — Hardware, Commercial
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
length1.968 INCHES MINIMUM AND 1.978 INCHES MAXIMUM IN
materialIRON ALLOY 660 STANDOFF
thread_class3B LEFT INTERNAL (INCLUDES THRU THREAD)
flange_diameter0.600 INCHES NOMINAL IN
flange_thickness1.274 INCHES MINIMUM AND 1.279 INCHES MAXIMUM IN
style_designatorFLANGED WITH LEFT INTERNAL THREAD
thread_directionRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
nominal_thread_size0.250 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
thread_quantity_per_inch28 RIGHT EXTERNAL
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) LEFT INTERNAL (INCLUDES THRU THREAD)
material_document_and_classificationAMS 5735 ASSN STD SINGLE MATERIAL RESPONSE STANDOFF
NSN5340-00-548-4693
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 729855-1 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
•
FLANGE DIAMETER: 0.600 INCHES NOMINAL IN
•
LENGTH: 1.968 INCHES MINIMUM AND 1.978 INCHES MAXIMUM IN
•
FLANGE THICKNESS: 1.274 INCHES MINIMUM AND 1.279 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: FLANGED WITH LEFT INTERNAL THREAD
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE STANDOFF
•
THREAD DIRECTION: RIGHT-HAND RIGHT EXTERNAL
•
NOMINAL THREAD SIZE: 0.250 INCHES RIGHT EXTERNAL IN
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER0.600 INCHES NOMINAL IN
LENGTH1.968 INCHES MINIMUM AND 1.978 INCHES MAXIMUM IN
FLANGE THICKNESS1.274 INCHES MINIMUM AND 1.279 INCHES MAXIMUM IN
STYLE DESIGNATORFLANGED WITH LEFT INTERNAL THREAD
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5735 ASSN STD SINGLE MATERIAL RESPONSE STANDOFF
THREAD DIRECTIONRIGHT-HAND RIGHT EXTERNAL
THREAD DIRECTIONRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
NOMINAL THREAD SIZE0.250 INCHES RIGHT EXTERNAL IN
NOMINAL THREAD SIZE0.250 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
THREAD CLASS3A RIGHT EXTERNAL A
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
Ready to buy 729855-1?
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 729855-1?
729855-1 is a STANDOFF,THREADED,SPACING.
What is the NSN for 729855-1?
729855-1 is cataloged in the U.S. Government catalog under NSN 5340-00-548-4693. 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 — 729855-1

✓ 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.