NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5305 › 5305-01-056-1501
Cap Hexagon Head Screw P/N 274825
In stock — 6 on our U.S. shelfNSN 5305-01-056-1501 5305010561501 NIIN 010561501
SECO Parts has 6 in stock of NSN 5305-01-056-1501 — 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 | 6 |
| Total | 6 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5305-01-056-1501 010561501 274825 C-81.121-274825 88-20260-32
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
- 0.670–0.750 in
- Fastener length
- 0.720–0.750 in
- Head height
- 0.204–0.222 in
- Width between flats
- 0.367–0.375 in
- Extended washer diameter
- 0.513–0.531 in
- Extended washer thickness
- 0.019–0.028 in
- Nominal thread diameter
- Inches 0.250
- Thread quantity per inch
- 20
- Minimum tensile strength
- Pounds Per Square Inch 115000
- Hardness rating
- Overall Rockwell C Minimum 22.0 and Rockwell C Maximum 35.0
- Special features
- Washer Bearin Surface Serrated
- Material
- Overall Steel Comp 1018 or Steel Comp 1021 or Steel Comp 1022
- Material document and classification
- Overall Assn STD Single Material Response SAE
- Surface treatment
- Overall Zinc
- Thread series designator
- Unified National Coarse (UNC)
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
274825 C-81.121-274825
Also referenced as
88-20260-32
Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual. They find the item; confirm the current part number when you order.
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 | D DLA/GSA stocked — stocked by DLA or GSA and issued from central stock |
| Unit of issue | PG package |
| 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 5305-01-056-1501?
NSN 5305-01-056-1501 (5305010561501) — Cap Hexagon Head Screw: SECO Parts has 6 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 5305-01-056-1501 available?
SECO Parts has 6 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5305-01-056-1501 cost?
NSN 5305-01-056-1501 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 5305-01-056-1501?
Part numbers that cross-reference this NSN include 274825, C-81.121-274825. It is also referenced by older, superseded or advisory numbers: 88-20260-32. 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.