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NAS1523 — PACKING WITH RETAINER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

NAS1523: PACKING WITH RETAINER.

The PACKING WITH RETAINER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 RETAINER, temp_rating: -65.0 CELSIUS AND 212.0 CELSIUS DEGC, construction: TWO-PIECE, outside_diameter: 0.651 INCHES MINIMUM AND 0.676 INCHES MAXIMUM IN, special_features: COLOR RED, surface_treatment: PASSIVATE RETAINER. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-003-9301, 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
NAS1523
NSN: 5330-00-003-9301
NIINs: 000039301, 000039302, 000062129, 000072935, 000072936, 000093948, 000093949, 000097725, 001197501, 001197503, 001636625, 001700127, 001718363, 001881011, 002454113, 002690748, 002717405, 003383686, 003383702, 003675467, 003900500, 004190839, 004217882, 004681810, 005001932, 005002466, 005002504, 005035581, 005052573, 006180427, 006214575, 007027790, 007721328, 008430024, 008451441, 008861429, 009012929, 009370835, 010123402, 010131140, 010141228, 010142254, 010142255, 010142256, 010144315, 010144316, 010165563, 010165933, 010167566, 010171601, 010171602, 010180872, 010212739, 010228145, 010228146, 010248325, 010285745, 010298185, 010338171, 010363991, 010407983, 010422879, 010440808, 010498254, 010541553, 010677076, 010690544, 010701125, 010708207, 010773163, 010773164, 010791040, 010800764, 010815071, 010823345, 010826177, 010830807, 010830808, 010836525, 010848285, 010848286, 010950743, 010955757, 010961282, 010970336, 010976637, 010978065, 010983185, 010986238, 010987260, 010997995, 011016080, 011019492, 011019493, 011065278, 011092571, 011143825, 011157255, 011170706, 011173487, 011173488, 011182495, 011182496, 011182497, 011196177, 011212773, 011219403, 011234638, 011238503, 011238504, 011239870, 011241277, 011245812, 011281598, 011286071, 011290658, 011304292, 011309500, 011316801, 011340774, 011350047, 011365248, 011365771, 011365772, 011377083, 011377084, 011390298, 011411914, 011429439, 011439215, 011441675, 011442258, 011443942, 011455160, 011455161, 011455162, 011455163, 011455164, 011456981, 011482462, 011514149, 011537740, 011574194, 011598117, 011602509, 011622547, 011624707, 011624708, 011624709, 011624710, 011624711, 011624712, 011624713, 011624714, 011624715, 011624716, 011624717, 011624718, 011624719, 011624720, 011624721, 011624722, 011624723, 011624724, 011624725, 011624726, 011624727, 011624729, 011624730, 011624732, 011624733, 011624734, 011651160, 011654518, 011665221, 011665222, 011681822, 011684475, 011684496, 011684497, 011690655, 011690721, 011694390, 011696405, 011710629, 011713491, 011725658, 011731387, 011762017, 011773857, 011828671, 011830962, 011830963, 011830964, 011830965, 011830966, 011852063, 011863084, 011887646, 011932423, 011954886, 011973584, 011988361, 012018932, 012030280, 012045491, 012065367, 012120127, 012124360, 012127885, 012128185, 012171788, 012183243, 012193931, 012270458, 012279879, 012302337, 012349941, 012355961, 012420753, 012445964, 012467236, 012494255, 012505277, 012534458, 012545445, 012604982, 012636190, 012657107, 012695157, 012702584, 012708141, 012774385, 012863464, 012880149, 012895872, 012914021, 012978264, 013027463, 013039545, 013060127, 013133586, 013141937, 013141938, 013142403, 013304494, 013327295, 013349520, 013519326, 013545799, 013545800, 013840827, 013863825, 013891665, 013917946, 013919684, 013920133, 014322860, 014396418, 014527546, 014615656, 014635621, 014672212, 014672394, 014672397, 014720696, 014766149, 014994669, 015211435, 015418706, 015499140, 015589525, 015790101, 016053248, 016226376, 016654747, 016657218, 016857056, 016966659, 016975477
FSC: 5330 — Packing and Gasket Materials
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 RETAINER
temp_rating-65.0 CELSIUS AND 212.0 CELSIUS DEGC
constructionTWO-PIECE
outside_diameter0.651 INCHES MINIMUM AND 0.676 INCHES MAXIMUM IN
special_featuresCOLOR RED
surface_treatmentPASSIVATE RETAINER
retainer_thickness0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
peripheral_diameter0.588 INCHES MINIMUM AND 0.613 INCHES MAXIMUM IN
center_hole_diameter0.291 INCHES MINIMUM AND 0.311 INCHES MAXIMUM IN
cross-sectional_height0.438 INCHES NOMINAL IN
packing_ring_thickness0.128 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN
end_item_identification5820-20-002-9141
NSN5330-00-003-9301
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NAS1523 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE RETAINER
•
PACKING INSIDE DIAMETER: 0.291 INCHES MINIMUM AND 0.311 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.588 INCHES MINIMUM AND 0.613 INCHES MAXIMUM IN
•
PACKING RING CROSS-SECTIONAL DIAMETER: 0.067 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059 1/2 HARD OR ANNEALED MIL SPEC ALL MATERIAL RESPONSES RETAINER
•
SPECIFICATION/STANDARD DATA: 80205-NAS 1523 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
RETAINER THICKNESS: 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE RETAINER
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE RETAINER
PACKING INSIDE DIAMETER0.291 INCHES MINIMUM AND 0.311 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.588 INCHES MINIMUM AND 0.613 INCHES MAXIMUM IN
PACKING RING CROSS-SECTIONAL DIAMETER0.067 INCHES MINIMUM AND 0.077 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 1/2 HARD OR ANNEALED MIL SPEC ALL MATERIAL RESPONSES RETAINER
SPECIFICATION/STANDARD DATA80205-NAS 1523 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
RETAINER THICKNESS0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE RETAINER
MATERIALSTEEL COMP 301 OR STEEL COMP 302 RETAINER
CONSTRUCTIONONE-PIECE
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-001-9852 5330-00-003-9246 5330-00-004-1681 5330-00-004-3196 5330-00-004-3450 5330-00-004-3451 5330-00-004-4245 5330-00-004-5072
SUBSTITUTES & CROSS-REFERENCES 1
NAS1598C5YReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is NAS1523?
NAS1523 is a PACKING WITH RETAINER.
What parts can replace NAS1523?
There is 1 known substitute for NAS1523: NAS1598C5Y. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS1523?
NAS1523 is cataloged in the U.S. Government catalog under NSN 5330-00-003-9301. This indicates validated use in U.S. government and defense supply chains.
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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.