NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5305 › 5305-00-021-3921
Cap Hexagon Head Screw P/N MS35308-357
In stock — 90 on our U.S. shelfNSN 5305-00-021-3921 5305000213921 NIIN 000213921
SECO Parts has 90 in stock of NSN 5305-00-021-3921 — Cap Hexagon Head Screw — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Low-cost part: quoted by the line, $50 minimum per line; quantity pricing on request.
One part, one step — answered within one business day. Several parts? and send them together.
- Ships in 1–3 business days from Augusta, GA
- Certificate of Conformance on request
- PO, GPC & major cards
- $50 minimum order — smaller requests still get a quote
- 30-day returns · terms
- FLIS item name
- SCREW,CAP,HEXAGON HEAD
- SECO description
- SCREW, CAP HEX
- Federal supply class
- FSC 5305 — Screws
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 90 |
| Total | 90 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5305-00-021-3921 000213921 MS35308-357 NASM35308 P1257 245911 213921
Get a quote
Build a list across as many parts as you need, send it once, get one quote back — answered within one business day, usually the same day. POs and GPC welcome. $50 minimum order.
More to tell us? Need-by date, ship-to, your own RFQ document
Specifications
- Thread class
- 2A
- Thread direction
- Right-Hand
- Thread length
- 0.625 in maximum
- Fastener length
- 0.625 in (nominal)
- Head height
- 0.226–0.243 in
- Width between flats
- 0.551–0.562 in
- Nominal thread diameter
- Inches 0.375
- Thread quantity per inch
- 24
- Material
- Overall Steel Comp 302 or Steel Comp 303 or Steel Comp 304 or Steel Comp 316
- Material document and classification
- Overall Fed STD All Material Responses 66
- Surface treatment
- Overall Passivate
- Thread series designator
- UNF
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
MS35308-357 NASM35308 P1257 245911 213921
Shown for identification only. SECO can quote against any of these numbers.
Logistics data
| Source of supply | SMS DLA Land and Maritime, Columbus, Ohio |
| Acquisition advice code | Z Insurance/numeric stockage objective — held by the government as insurance stock for contingencies, not for routine issue. SECO has 90 on the shelf |
| Unit of issue | EA each |
| Demilitarization code | A Demilitarization not required — non-munitions-list item |
| Controlled inventory code | U Unclassified |
| Hazardous material indicator | N No hazardous material |
Source: public FLIS/PUB LOG cataloging data.
Why buy from SECO
These quantities sit on our own shelves — we are a stocking supplier, not a broker sourcing after you order. Condition-coded stock, formal quotes with NSN/PN on the paperwork, POs and GPC welcome, fast U.S. shipping.
In business since 1951 · 30,000+ contracts completed · about SECO & our policies · more questions answered
FAQ
What is NSN 5305-00-021-3921?
NSN 5305-00-021-3921 (5305000213921) — Cap Hexagon Head Screw: SECO Parts has 90 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for cap hexagon head screw in federal supply class 5305 (Screws).
Is NSN 5305-00-021-3921 available?
SECO Parts has 90 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5305-00-021-3921 cost?
NSN 5305-00-021-3921 is a low-cost part, so SECO quotes it by the line rather than by the piece: there is a $50 minimum per line, and quantity pricing on request — usually answered the same business day.
What part numbers cross-reference to NSN 5305-00-021-3921?
Part numbers that cross-reference this NSN include MS35308-357, NASM35308, P1257, 245911, 213921. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names SCREW,CAP,HEXAGON HEAD. Same name is not the same part: check the part numbers.