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1339AS671 — REGISTER,AIR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1339AS671: REGISTER,AIR.

The REGISTER,AIR is a the manufacturer industrial component. Key specifications include shape: RECTANGULAR, material: STEEL, fin_spacing: 0.500 INCHES IN, overall_width: 20.750 INCHES NOMINAL IN, overall_length: 26.750 INCHES NOMINAL IN, grille_fin_type: FIXED HORIZONTAL. This part is cataloged in the U.S.

Government catalog under NSN 4520-01-406-2297, 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
1339AS671
NSN: 4520-01-406-2297
FSC: 4520 — Space and Water Heating Equipment
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
shapeRECTANGULAR
materialSTEEL
fin_spacing0.500 INCHES IN
overall_width20.750 INCHES NOMINAL IN
overall_length26.750 INCHES NOMINAL IN
grille_fin_typeFIXED HORIZONTAL
grille_quantity1
bar_adjustabilityNONADJUSTABLE
overall_thickness1.630 INCHES NOMINAL IN
frame_removabilityNONREMOVABLE
grille_bar_positionHORIZONTAL
bar_spacing_in_inches0.500
NSN4520-01-406-2297
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available REGISTER,AIR TITLE COMPONENT PN 1339AS671 MFR REGISTER,AIR
KEY FEATURES
•
FIN SPACING: 0.500 INCHES IN
•
BAR ADJUSTABILITY: NONADJUSTABLE
•
GRILLE FIN TYPE: FIXED HORIZONTAL
•
OVERALL THICKNESS: 1.630 INCHES NOMINAL IN
•
SHAPE: RECTANGULAR
•
GRILLE BAR POSITION: HORIZONTAL
TECHNICAL CHARACTERISTICS
FIN SPACING0.500 INCHES IN
BAR ADJUSTABILITYNONADJUSTABLE
GRILLE FIN TYPEFIXED HORIZONTAL
OVERALL THICKNESS1.630 INCHES NOMINAL IN
SHAPERECTANGULAR
OVERALL LENGTH26.750 INCHES NOMINAL IN
OVERALL WIDTH20.750 INCHES NOMINAL IN
GRILLE BAR POSITIONHORIZONTAL
BAR SPACING IN INCHES0.500
FRAME REMOVABILITYNONREMOVABLE
OTHER ITEMS IN FSC 4520 — Space and Water Heating Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4520-00-000-0098 4520-00-000-0099 4520-00-001-1240 4520-00-001-3518 4520-00-001-3519 4520-00-001-6052 4520-00-001-6298 4520-00-001-7726
SUBSTITUTES & CROSS-REFERENCES 3
1339AS671-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
50GHFFReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
60GHFFReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 1339AS671?
1339AS671 is a REGISTER,AIR.
What parts can replace 1339AS671?
There are 3 known substitutes for 1339AS671: 1339AS671-1, 50GHFF, 60GHFF. Substitute compatibility should be verified for your specific system.
What is the NSN for 1339AS671?
1339AS671 is cataloged in the U.S. Government catalog under NSN 4520-01-406-2297. 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.