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4477 — IBM 8GB (2x4GB) DDR2 Main Storage

✓ Government record, cited
IBM · IT_GENERAL · ADP_COMPONENT
PRODUCT OVERVIEW

4477: IBM 8GB (2x4GB) DDR2 Main Storage.

IBM 8GB (2x4GB) DDR2 Main Storage. Key specifications include head_style: FLAT, stem_style: GROOVED, head_height: 0.1560 INCHES MINIMUM AND 0.1710 INCHES MAXIMUM IN, neck_radius: 0.2500 INCHES NOMINAL IN, stem_length: 3.7795 INCHES MINIMUM AND 3.8045 INCHES MAXIMUM IN, groove_width: 0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4720-00-230-6529, 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
IT_GENERAL→ ADP_COMPONENT→ 4477
NSN: 4720-00-230-6529
NIINs: 002306529, 004479114, 006990119, 009685513, 010925109, 011216384, 014267568, 015551114, 017033935
FSC: 4720 — Hose and Flexible Tubing
CAGE: 24161 — GATES CORPORATION (USA)
SPECIFICATIONS
head_styleFLAT
stem_styleGROOVED
head_height0.1560 INCHES MINIMUM AND 0.1710 INCHES MAXIMUM IN
neck_radius0.2500 INCHES NOMINAL IN
stem_length3.7795 INCHES MINIMUM AND 3.8045 INCHES MAXIMUM IN
groove_width0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM IN
stem_diameter0.3080 INCHES MINIMUM AND 0.3090 INCHES MAXIMUM IN
chamfer_length0.0312 INCHES NOMINAL IN
groove_diameter0.2670 INCHES MINIMUM AND 0.2730 INCHES MAXIMUM IN
outside_diameter1.1200 INCHES MINIMUM AND 1.1300 INCHES MAXIMUM IN
seat_angle_in_deg45.0
carbon_relief_grooveNOT INCLUDED
NSN4720-00-230-6529
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: IBM CAP: 8GB IBM 8GB (2x4GB) DDR2 Main Storage TITLE COMPONENT PN 4477 MFR IBM IBM 8GB (2x4GB) DDR2 M
KEY FEATURES
•
8GB Capacity
•
TEMP RATING: 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
MINIMUM INSIDE BENDING RADIUS: 0.022 INCHES IN
•
VACUUM IN TORR: 101.6
•
LAYER COMPOSITION AND LOCATION: 1ST LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD AND 2ND LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD AND OUTER LAYER MOLDED RUBBER, ETHYLENE PROPYLENE
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
OUTSIDE DIAMETER: 1.190 INCHES NOMINAL IN
•
SPECIFICATION/STANDARD DATA: 81343-SAE J1403 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
NONDEFINITIVE SPEC/STD DATA: B CLASS
TECHNICAL CHARACTERISTICS
TEMP RATING212.0 FAHRENHEIT SINGLE RESPONSE DEGF
MINIMUM INSIDE BENDING RADIUS0.022 INCHES IN
VACUUM IN TORR101.6
LAYER COMPOSITION AND LOCATION1ST LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD AND 2ND LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD AND OUTER LAYER MOLDED RUBBER, ETHYLENE PROPYLENE
CROSS-SECTIONAL SHAPE STYLEROUND
OUTSIDE DIAMETER1.190 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA81343-SAE J1403 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NONDEFINITIVE SPEC/STD DATAB CLASS
INSIDE DIAMETER0.750 INCHES NOMINAL IN
INSIDE SURFACE CONDITIONSMOOTH
SUBSTITUTES & CROSS-REFERENCES 6
27213Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
J1403Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
184-5Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
1403Reference document
Same NSN cross-reference
Reference document — Secondary reference
184-5-075Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
12R9616SubstituteBROKER-VERIFIED
IBM Memory 4GB DDR2 533MHz
substitute
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4477?
4477 is a IBM 8GB (2x4GB) DDR2 Main Storage manufactured by IBM. It is classified as a IT_GENERAL (ADP_COMPONENT).
What parts can replace 4477?
There are 6 known substitutes for 4477: 27213, J1403, 184-5 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4477?
4477 is cataloged in the U.S. Government catalog under NSN 4720-00-230-6529. 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.